libavutil/mem: use size_t for the length in av_strdup()

the string length is not constrained to INT_MAX

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 4950bd4ebedbb6289734234bb2a719820f565c41)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 1 insertions, 1 deletions

diff --git a/libavutil/mem.c b/libavutil/mem.c
index 5fd2395dab..da291fb970 100644
--- a/libavutil/mem.c
+++ b/libavutil/mem.c
@@ -266,7 +266,7 @@ char *av_strdup(const char *s)
 {
     char *ptr = NULL;
     if (s) {
-        int len = strlen(s) + 1;
+        size_t len = strlen(s) + 1;
         ptr = av_realloc(NULL, len);
         if (ptr)
             memcpy(ptr, s, len);