adjust indentation per Mbed TLS standards
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index bc46ad2..081b8d5 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -568,12 +568,12 @@
     TEST_ASSERT( psa_encrypt_set_iv( &operation, iv,
                                         sizeof( iv ) ) == PSA_SUCCESS );
 
-	output = mbedtls_calloc(0, output_size);
+    output = mbedtls_calloc(0, output_size);
 
     TEST_ASSERT( psa_cipher_update( &operation, input, input_size,
                                     output, output_size, 
                                     &output_length) == PSA_SUCCESS );
-	TEST_ASSERT( psa_cipher_finish( &operation, output + output_length,
+    TEST_ASSERT( psa_cipher_finish( &operation, output + output_length,
                                     output_size, &output_length) == PSA_SUCCESS );
 
     TEST_ASSERT( psa_cipher_abort( &operation ) == PSA_SUCCESS );
@@ -631,12 +631,12 @@
     TEST_ASSERT( psa_encrypt_set_iv( &operation, iv,
                                         sizeof( iv ) ) == PSA_SUCCESS );
 
-	output = mbedtls_calloc(0, output_size);
+    output = mbedtls_calloc(0, output_size);
 
     TEST_ASSERT( psa_cipher_update( &operation, input, input_size,
                                     output, output_size, 
                                     &output_length) == PSA_SUCCESS );
-	TEST_ASSERT( psa_cipher_finish( &operation, output + output_length,
+    TEST_ASSERT( psa_cipher_finish( &operation, output + output_length,
                                     output_size, &output_length) == PSA_SUCCESS );
 
     TEST_ASSERT( psa_cipher_abort( &operation ) == PSA_SUCCESS );
@@ -689,35 +689,35 @@
     TEST_ASSERT( psa_import_key( key_slot, key_type,
                                  key, key_size ) == PSA_SUCCESS );
 
-	TEST_ASSERT( psa_encrypt_setup( &operation1, key_slot, alg ) == PSA_SUCCESS );
-	TEST_ASSERT( psa_decrypt_setup( &operation2, key_slot, alg ) == PSA_SUCCESS );
+    TEST_ASSERT( psa_encrypt_setup( &operation1, key_slot, alg ) == PSA_SUCCESS );
+    TEST_ASSERT( psa_decrypt_setup( &operation2, key_slot, alg ) == PSA_SUCCESS );
 
     TEST_ASSERT( psa_encrypt_generate_iv( &operation1, iv,
                                         iv_size, &iv_length) == PSA_SUCCESS );
-	output1_size = input_size;
-	output1 = mbedtls_calloc(0, output1_size);
+    output1_size = input_size;
+    output1 = mbedtls_calloc(0, output1_size);
     TEST_ASSERT( psa_cipher_update( &operation1, input, input_size,
                                     output1, output1_size, 
                                     &output1_length) == PSA_SUCCESS );
-	TEST_ASSERT( psa_cipher_finish( &operation1, output1 + output1_length,
-                                    output1_size, &tmp_output_length) == PSA_SUCCESS );
+    TEST_ASSERT( psa_cipher_finish( &operation1, output1 + output1_length,
+			            output1_size, &tmp_output_length) == PSA_SUCCESS );
 									
     output1_length += tmp_output_length;
 
     TEST_ASSERT( psa_cipher_abort( &operation1 ) == PSA_SUCCESS );
 
-	output2_size = output1_length;
-	output2 = mbedtls_calloc(0, output2_size);
+    output2_size = output1_length;
+    output2 = mbedtls_calloc(0, output2_size);
 
-	TEST_ASSERT( psa_encrypt_set_iv( &operation2, iv,
-                                     iv_length) == PSA_SUCCESS );
+    TEST_ASSERT( psa_encrypt_set_iv( &operation2, iv,
+			             iv_length) == PSA_SUCCESS );
     TEST_ASSERT( psa_cipher_update( &operation2, output1, output1_length, 
                                     output2, output2_size, &output2_length) == PSA_SUCCESS );
     tmp_output_length = 0;
-	TEST_ASSERT( psa_cipher_finish( &operation2, output2 + output2_length,
-                                    output2_size, &tmp_output_length) == PSA_SUCCESS );  
-    
-	output2_length += tmp_output_length;
+    TEST_ASSERT( psa_cipher_finish( &operation2, output2 + output2_length,
+			            output2_size, &tmp_output_length) == PSA_SUCCESS );  
+
+    output2_length += tmp_output_length;
     
     TEST_ASSERT( psa_cipher_abort( &operation1 ) == PSA_SUCCESS );