Free any previous userid before setting new

When we load multiple files, we call set_userid multiple times. Then we
need to free the old user id before we set a new.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/dive.c b/dive.c
index c3f562bac..734639312 100644
--- a/dive.c
+++ b/dive.c
@@ -2749,6 +2749,8 @@ void set_save_userid_local(short value)
 
 void set_userid(char *rUserId)
 {
+	if (prefs.userid)
+		free(prefs.userid);
 	prefs.userid = strdup(rUserId);
 	if (strlen(prefs.userid) > 30)
 		prefs.userid[30]='\0';