fixes solaris segfault on dial with verbosity >= 3

(closes issue #16193)
Reported by: asgaroth
Patches:
      bug_16193_1.4.21.2_vers.diff uploaded by snuffy (license 35)
Tested by: asgaroth, snuffy

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@231235 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/apps/app_dial.c b/apps/app_dial.c
index 9a7cb74de0ef1822b50a80bd413b13d2928c3076..963b0c9ce206482120603c2eff6ae05b2d11d8b5 100644 (file)
--- a/apps/app_dial.c
+++ b/apps/app_dial.c
@@ -1044,10 +1044,10 @@ static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags
                warning_sound = S_OR(var, "timeleft");
                
                var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
-               end_sound = S_OR(var, NULL);    /* XXX not much of a point in doing this! */
+               end_sound = S_OR(var, "");
                
                var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
-               start_sound = S_OR(var, NULL);  /* XXX not much of a point in doing this! */
+               start_sound = S_OR(var, "");
 
                /* undo effect of S(x) in case they are both used */
                calldurationlimit = -1;