	Avoid compiler warning.

diff -ur TECkit-2.5.3.orig/source/Compiler.h TECkit-2.5.3/source/Compiler.h
--- TECkit-2.5.3.orig/source/Compiler.h	2011-01-13 20:38:34.000000000 +0100
+++ TECkit-2.5.3/source/Compiler.h	2012-03-17 17:39:27.000000000 +0100
@@ -230,7 +230,7 @@
 		vector<UInt32>		byteClassLines;
 		vector<UInt32>		uniClassLines;
 
-		long				passType;
+		UInt32				passType;
 		UInt32				uniDefault;
 		UInt8				byteDefault;
 		bool				supplementaryChars;
