avutil/mem: fix memleak

The original code assumes av_realloc() will free ptr if size is zero.
The assumes is incorrect now.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavutil/mem.c b/libavutil/mem.c
index 8dfaad8271..809ec01084 100644
--- a/libavutil/mem.c
+++ b/libavutil/mem.c
@@ -179,7 +179,7 @@ void *av_realloc_f(void *ptr, size_t nelem, size_t elsize)
         return NULL;
     }
     r = av_realloc(ptr, size);
-    if (!r && size)
+    if (!r)
         av_free(ptr);
     return r;
 }