* Respect endiannes for item lengths inside swapped BMessages

* Also swap the flattened size when creating the read buffer
* Define specialized byte_swap()s for unsigned types too so that type_code and the like get swapped correctly

This should fix bug #1371.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21901 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/app/MessageUtils.h

@@ -136,6 +136,14 @@ byte_swap(int64 &data)
 }
 
 
+template<>
+inline void
+byte_swap(uint64 &data)
+{
+	data = __swap_int64(data);
+}
+
+
 template<>
 inline void
 byte_swap(int32 &data)
@@ -144,6 +152,14 @@ byte_swap(int32 &data)
 }
 
 
+template<>
+inline void
+byte_swap(uint32 &data)
+{
+	data = __swap_int32(data);
+}
+
+
 template<>
 inline void
 byte_swap(int16 &data)
@@ -152,6 +168,14 @@ byte_swap(int16 &data)
 }
 
 
+template<>
+inline void
+byte_swap(uint16 &data)
+{
+	data = __swap_int16(data);
+}
+
+
 template<>
 inline void
 byte_swap(entry_ref &data)