http2: fix potentially uninitialized variable

introduced several days ago in 3193170. caught by visual studio linker.

diff --git a/lib/http2.c b/lib/http2.c
index d59571ed23d2eeac5cda62b0532fa395a35bd77a..03c101e357e246688eadcdde81a93f49daf9fef9 100644 (file)
--- a/lib/http2.c
+++ b/lib/http2.c
@@ -499,7 +499,7 @@ static int set_transfer_url(struct Curl_easy *data,
   const char *v;
   CURLU *u = curl_url();
   CURLUcode uc;
-  char *url;
+  char *url = NULL;
   int rc = 0;
 
   v = curl_pushheader_byname(hp, ":scheme");