Merged revisions 70899 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

................
r70899 | file | 2007-06-21 17:40:19 -0400 (Thu, 21 Jun 2007) | 10 lines

Merged revisions 70898 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r70898 | file | 2007-06-21 17:37:55 -0400 (Thu, 21 Jun 2007) | 2 lines

Don't explode if the gain option is specified without a value. (issue #9274 reported by mfarver)

........

................


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@70900 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -6554,7 +6554,7 @@ static int vm_execmain(struct ast_channel *chan, void *data)
 			}
 			if (ast_test_flag(&flags, OPT_RECORDGAIN)) {
 				int gain;
-				if (opts[OPT_ARG_RECORDGAIN]) {
+				if (!ast_strlen_zero(opts[OPT_ARG_RECORDGAIN])) {
 					if (sscanf(opts[OPT_ARG_RECORDGAIN], "%d", &gain) != 1) {
 						ast_log(LOG_WARNING, "Invalid value '%s' provided for record gain option\n", opts[OPT_ARG_RECORDGAIN]);
 						ast_module_user_remove(u);