TFSHARK: Fix clobbing warning for variable success

Without setting the success variable as volatile my build fails
with warning "error: variable success might be clobbered by 'longjmp' or 'vfork'"

Change-Id: Ic7d4a9b8be4bf9211127dcf5a6bb4bef8bbcd7a9
Reviewed-on: https://code.wireshark.org/review/21310
Reviewed-by: Guy Harris <guy@alum.mit.edu>

1 files changed, 1 insertions, 1 deletions

diff --git a/tfshark.c b/tfshark.c
index 16b4b6ebe3..bad0ab3b46 100644
--- a/tfshark.c
+++ b/tfshark.c
@@ -336,7 +336,7 @@ main(int argc, char *argv[])
   gboolean             arg_error = FALSE;
 
   int                  err;
-  gboolean             success;
+  volatile gboolean    success;
   volatile int         exit_status = 0;
   gboolean             quiet = FALSE;
   gchar               *volatile cf_name = NULL;