Upstream: Should be
Reason: Fixes compilation under gcc-10

--- a/src/wiki.c
+++ b/src/wiki.c
@@ -30,7 +30,7 @@ extern int lgindex;
 extern int Exec_allowed;
 extern int Upload_allowed;
 
-int loginform;
+extern int loginform;
 
 /* read wiki page */
 static char *