Fix more argc checks

Signed-off-by: Aditya Deshpande <aditya.deshpande@arm.com>
diff --git a/programs/test/query_compile_time_config.c b/programs/test/query_compile_time_config.c
index d846031..ff470b2 100644
--- a/programs/test/query_compile_time_config.c
+++ b/programs/test/query_compile_time_config.c
@@ -38,7 +38,7 @@
 
 int main(int argc, char *argv[])
 {
-    if (argc != 2) {
+    if (argc < 2 || strcmp(argv[1], "-h") == 0) {
         mbedtls_printf(USAGE, argv[0]);
         return MBEDTLS_EXIT_FAILURE;
     }