Adapt uses of `mbedtls_rsa_complete` to removed PRNG argument
diff --git a/tests/suites/test_suite_pk.function b/tests/suites/test_suite_pk.function
index 58b6013..e847836 100644
--- a/tests/suites/test_suite_pk.function
+++ b/tests/suites/test_suite_pk.function
@@ -361,7 +361,7 @@
     TEST_ASSERT( mbedtls_mpi_read_string( &Q, radix_Q, input_Q ) == 0 );
     TEST_ASSERT( mbedtls_rsa_import( rsa, &N, &P, &Q, NULL, &E ) == 0 );
     TEST_ASSERT( mbedtls_rsa_get_len( rsa ) == (size_t) ( mod / 8 ) );
-    TEST_ASSERT( mbedtls_rsa_complete( rsa, NULL, NULL ) == 0 );
+    TEST_ASSERT( mbedtls_rsa_complete( rsa ) == 0 );
 
     /* decryption test */
     memset( output, 0, sizeof( output ) );