Fix argv leak on Unrecognized input file type err

Free argv (allocated by argv_dup) after the
"Unrecognized input file type" error.

Change-Id: I2b6273a1abca2ff8e51445fb15839bd993c41741

1 files changed, 1 insertions, 0 deletions

diff --git a/vpxdec.c b/vpxdec.c
index c60eb5c30..ad368a230 100644
--- a/vpxdec.c
+++ b/vpxdec.c
@@ -722,6 +722,7 @@ static int main_loop(int argc, const char **argv_) {
 #if !CONFIG_WEBM_IO
     fprintf(stderr, "vpxdec was built without WebM container support.\n");
 #endif
+    free(argv);
     return EXIT_FAILURE;
   }