Add prototype headers, casting to shut up warnings

Author: Zach Drayer

XPathQuery.m

@@ -14,6 +14,9 @@
 #import <libxml/xpath.h>
 #import <libxml/xpathInternals.h>
 
+NSDictionary *DictionaryForNode(xmlNodePtr currentNode, NSMutableDictionary *parentResult);
+NSArray *PerformXPathQuery(xmlDocPtr doc, NSString *query);
+
 NSDictionary *DictionaryForNode(xmlNodePtr currentNode, NSMutableDictionary *parentResult)
 {
   NSMutableDictionary *resultForNode = [NSMutableDictionary dictionary];
@@ -150,7 +153,7 @@
   xmlDocPtr doc;
 
   /* Load XML document */
-  doc = htmlReadMemory([document bytes], [document length], "", NULL, HTML_PARSE_NOWARNING | HTML_PARSE_NOERROR);
+  doc = htmlReadMemory([document bytes], (int)[document length], "", NULL, HTML_PARSE_NOWARNING | HTML_PARSE_NOERROR);
 
   if (doc == NULL)
     {
@@ -169,7 +172,7 @@
   xmlDocPtr doc;
 
   /* Load XML document */
-  doc = xmlReadMemory([document bytes], [document length], "", NULL, XML_PARSE_RECOVER);
+  doc = xmlReadMemory([document bytes], (int)[document length], "", NULL, XML_PARSE_RECOVER);
 
   if (doc == NULL)
     {