diff -r a3fe30a2666b -r a437550a9308 libpurple/xmlnode.c
--- a/libpurple/xmlnode.c	Wed Nov 12 19:15:24 2014 -0500
+++ b/libpurple/xmlnode.c	Thu Nov 13 00:56:55 2014 -0500
@@ -109,7 +109,7 @@
 	g_return_if_fail(data != NULL);
 	g_return_if_fail(size != 0);
 
-	real_size = size == -1 ? strlen(data) : size;
+	real_size = size == -1 ? strlen(data) : (gsize)size;
 
 	child = new_node(NULL, XMLNODE_TYPE_DATA);
 
@@ -711,7 +711,7 @@
 
 	g_return_val_if_fail(str != NULL, NULL);
 
-	real_size = size < 0 ? strlen(str) : size;
+	real_size = size < 0 ? strlen(str) : (gsize)size;
 	xpd = g_new0(struct _xmlnode_parser_data, 1);
 
 	if (xmlSAXUserParseMemory(&xmlnode_parser_libxml, xpd, str, real_size) < 0) {