fix temp greetings with odbc storage (issue #6078)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@7978 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_voicemail.c

@@ -4742,6 +4742,7 @@ static int vm_tempgreeting(struct ast_channel *chan, struct ast_vm_user *vmu, st
 	while (cmd >= 0 && cmd != 't') {
 		if (cmd)
 			retries = 0;
+		RETRIEVE(prefile, -1);
 		if (ast_fileexists(prefile, NULL, NULL) <= 0) {
 			play_record_review(chan, "vm-rec-temp", prefile, maxgreet, fmtc, 0, vmu, &duration, NULL, record_gain);
 			cmd = 't';	
@@ -4751,7 +4752,7 @@ static int vm_tempgreeting(struct ast_channel *chan, struct ast_vm_user *vmu, st
 				cmd = play_record_review(chan, "vm-rec-temp", prefile, maxgreet, fmtc, 0, vmu, &duration, NULL, record_gain);
 				break;
 			case '2':
-				ast_filedelete(prefile, NULL);
+				DELETE(prefile, -1, prefile);
 				ast_play_and_wait(chan, "vm-tempremoved");
 				cmd = 't';	
 				break;
@@ -4770,6 +4771,7 @@ static int vm_tempgreeting(struct ast_channel *chan, struct ast_vm_user *vmu, st
 					cmd = 't';
 			}
 		}
+		DISPOSE(prefile, -1);
 	}
 	if (cmd == 't')
 		cmd = 0;