viced: clear optstring before parsing

we try to free the string if there was a value, so
if there's none we should probably ensure we know it

Change-Id: I20fc535e56d65c82f26852ba59528d5660c98e20
Reviewed-on: http://gerrit.openafs.org/7546
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: Derrick Brashear <shadow@dementix.org>

diff --git a/src/viced/viced.c b/src/viced/viced.c
index f03ac087629686374d6de9692575606ad67be39a..fcafe3e7a1207752d9183f36b6b997c93d95a842 100644 (file)
--- a/src/viced/viced.c
+++ b/src/viced/viced.c
@@ -984,7 +984,7 @@ ParseArgs(int argc, char *argv[])
 {
     int code;
     int optval;
-    char *optstring;
+    char *optstring = NULL;
     struct cmd_item *optlist;
     struct cmd_syndesc *opts;