cache: use av_freep instead of av_free in cache_open

Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavformat/cache.c b/libavformat/cache.c
index e098a31c433ffe618fc89f15a0e89d2cdfd859b7..3e60aea48fbea0041f924856b6b796ea35ffb577 100644 (file)
--- a/libavformat/cache.c
+++ b/libavformat/cache.c
@@ -63,7 +63,7 @@ static int cache_open(URLContext *h, const char *arg, int flags)
     }
 
     unlink(buffername);
-    av_free(buffername);
+    av_freep(&buffername);
 
     return ffurl_open(&c->inner, arg, flags, &h->interrupt_callback, NULL);
 }