more [-Wparentheses]

diff --git a/lib/gvc/gvdevice.c b/lib/gvc/gvdevice.c
index 968c6748332a127526c54e59bcada717091fa31a..bc5e5fd06d683063d6b14161270beb32538c4818 100644 (file)
--- a/lib/gvc/gvdevice.c
+++ b/lib/gvc/gvdevice.c
@@ -263,7 +263,8 @@ int gvferror (FILE* stream)
 
 size_t gvfwrite (const void *ptr, size_t size, size_t nmemb, FILE *stream)
 {
-    assert(size = sizeof(char));
+    size = sizeof(char);
+    assert(size);
     return gvwrite((GVJ_t*)stream, ptr, nmemb);
 }