patrol_commands: Fix crash.

diff --git a/patrol/patrol_commands.c b/patrol/patrol_commands.c
index 4bbf5e75735f77cb22725f83841175a09885594f..008c86b42d3d1a65ef214c1e2e8b0927373cabbd 100644 (file)
--- a/patrol/patrol_commands.c
+++ b/patrol/patrol_commands.c
@@ -81,7 +81,9 @@ static int pc_part(char *name) {
 
     if (ircd_strcmp(pc->channel->content, name) == 0) {
       freesstring(pc->channel);
-      deregisterlocaluser(pc->nick, NULL);
+
+      if (pc->nick)
+        deregisterlocaluser(pc->nick, NULL);
 
       *pnext = pc->next;
       free(pc);