Take WindowsBase out

svn path=/trunk/mcs/; revision=118140

mcs/class/Makefile

@@ -118,8 +118,7 @@ net_2_0_dirs := \
 	System.ServiceModel.Web		\
 	Mono.Management			\
 	Mono.Options 			\
-	Mono.Simd			\
-	WindowsBase
+	Mono.Simd
 
 net_2_1_dirs := \
 	corlib			\