fix includes

xlocale.h is included indirectly in glibc and doesn't even exist in
other libcs

Author: ssahani

src/parse-util.c

@@ -23,7 +23,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <xlocale.h>
 
 #include "alloc-util.h"
 #include "extract-word.h"