Fix app_disa to set the proper variable before goign to invalid (bug #5439)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6845 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/apps/app_disa.c b/apps/app_disa.c
index 6786e65..7b2be20 100755 (executable)
--- a/apps/app_disa.c
+++ b/apps/app_disa.c
@@ -338,6 +338,7 @@ static int disa_exec(struct ast_channel *chan, void *data)
                int recheck = 0;
 
                if (!ast_exists_extension(chan, ourcontext, exten, 1, chan->cid.cid_num)) {
+                       pbx_builtin_setvar_helper(chan, "INVALID_EXTEN", exten);
                        exten[0] = 'i';
                        exten[1] = '\0';
                        recheck = 1;