Fix compile error. pseudofd no longer exists.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@305198 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/res_musiconhold.c

@@ -1278,7 +1278,6 @@ static struct mohclass *_moh_class_malloc(const char *file, int line, const char
 		)) {
 		class->format = AST_FORMAT_SLINEAR;
 		class->srcfd = -1;
-		class->pseudofd = -1;
 	}
 
 	return class;