Adapt X.509 fuzzing code to support MBEDTLS_X509_REMOVE_INFO

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/programs/fuzz/fuzz_x509crt.c b/programs/fuzz/fuzz_x509crt.c
index 8f593a1..7d274a8 100644
--- a/programs/fuzz/fuzz_x509crt.c
+++ b/programs/fuzz/fuzz_x509crt.c
@@ -9,9 +9,13 @@
 
     mbedtls_x509_crt_init( &crt );
     ret = mbedtls_x509_crt_parse( &crt, Data, Size );
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
     if (ret == 0) {
         ret = mbedtls_x509_crt_info( (char *) buf, sizeof( buf ) - 1, " ", &crt );
     }
+#else
+    ((void) ret);
+#endif /* !MBEDTLS_X509_REMOVE_INFO */
     mbedtls_x509_crt_free( &crt );
 #else
     (void) Data;