$OpenBSD$

make the header match the implementation

--- sope-xml/SaxObjC/SaxContentHandler.h.orig	Fri May 23 10:08:52 2014
+++ sope-xml/SaxObjC/SaxContentHandler.h	Fri May 23 10:09:24 2014
@@ -50,8 +50,8 @@
 
 /* CDATA */
 
-- (void)characters:(unichar *)_chars          length:(int)_len;
-- (void)ignorableWhitespace:(unichar *)_chars length:(int)_len;
+- (void)characters:(unichar *)_chars          length:(NSUInteger)_len;
+- (void)ignorableWhitespace:(unichar *)_chars length:(NSUInteger)_len;
 
 /* PIs */