Merged revisions 305471 via svnmerge from

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

........
  r305471 | qwell | 2011-02-01 11:00:55 -0600 (Tue, 01 Feb 2011) | 9 lines
  
  Close file descriptor for timing source when a MOH class gets destroyed.
  
  (closes issue #18457)
  Reported by: mcallist
  Patches: 
        18457-closetimer.diff uploaded by qwell (license 4)
        18457-closetimer_trunk.diff uploaded by qwell (license 4)
  Tested by: qwell, loloski
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@305472 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_musiconhold.c

@@ -1559,6 +1559,11 @@ static void moh_class_destructor(void *obj)
 		free(member);
 	}
 
+	if (class->pseudofd > -1) {
+		close(class->pseudofd);
+		class->pseudofd = -1;
+	}
+
 	if (class->filearray) {
 		int i;
 		for (i = 0; i < class->total_files; i++) {