patches/xmlregexp-bogus-cast

Change bogus '(unsigned long)' cast to '(unsigned short)'

Index: libxml/xmlregexp.c
===================================================================
--- libxml.orig/xmlregexp.c	2010-07-09 14:16:36.990430641 -0700
+++ libxml/xmlregexp.c	2010-07-09 14:16:40.939742007 -0700
@@ -6470,7 +6470,7 @@
     if (name != NULL) {
 	value += 30 * (*name);
 	while ((ch = *name++) != 0) {
-	    value = value ^ ((value << 5) + (value >> 3) + (unsigned long)ch);
+	    value = value ^ ((value << 5) + (value >> 3) + (unsigned short)ch);
 	}
     }
     return (value);