Fix style and formatting for OFB feature
diff --git a/tests/suites/test_suite_aes.function b/tests/suites/test_suite_aes.function
index c45a9ed..9d25666 100644
--- a/tests/suites/test_suite_aes.function
+++ b/tests/suites/test_suite_aes.function
@@ -291,8 +291,8 @@
 
 /* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_OFB */
 void aes_encrypt_ofb( int fragment_size, char *hex_key_string,
-                        char *hex_iv_string, char *hex_src_string,
-                        char *hex_dst_string )
+                      char *hex_iv_string, char *hex_src_string,
+                      char *hex_dst_string )
 {
     unsigned char key_str[100];
     unsigned char iv_str[100];
@@ -326,7 +326,7 @@
 
         hexify( dst_str, output, fragment_size );
         TEST_ASSERT( strncmp( (char *) dst_str, hex_dst_string,
-                                ( 2 * fragment_size) ) == 0 );
+                              ( 2 * fragment_size ) ) == 0 );
 
         in_buffer_len -= fragment_size;
         hex_dst_string += ( fragment_size * 2 );