url.c: avoid implied cast to bool

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/url.c b/lib/url.c
index c59535a9c..8f95c8a66 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -2463,7 +2463,7 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
     break;
 
   case CURLOPT_WILDCARDMATCH:
-    data->set.wildcardmatch = va_arg(param, long);
+    data->set.wildcardmatch = !! va_arg(param, long);
     break;
   case CURLOPT_CHUNK_BGN_FUNCTION:
     data->set.chunk_bgn = va_arg(param, curl_chunk_bgn_callback);