Fix The left operand of '!=' is a garbage value issue found by Clang Analyzer

Change-Id: Ia555fc8eca2a7288c159983578cbc88dc0bebbc2
Reviewed-on: https://code.wireshark.org/review/5952
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/file.c b/file.c
index acbe185795..e2510617a2 100644
--- a/file.c
+++ b/file.c
@@ -1249,7 +1249,7 @@ cf_merge_files(char **out_filenamep, int in_file_count,
   int              out_fd;
   wtap_dumper     *pdh;
   int              open_err, read_err, write_err, close_err;
-  gchar           *err_info, *write_err_info;
+  gchar           *err_info, *write_err_info = NULL;
   int              err_fileno;
   int              i;
   gboolean         got_read_error     = FALSE, got_write_error = FALSE;