[llvm-rc] Add support for the RCDATA resource type

This is the same as any other user defined resource, but with
a specific allocated resource type number.

Differential Revision: https://reviews.llvm.org/D46636

llvm-svn: 331902
diff --git a/llvm/tools/llvm-rc/ResourceScriptStmt.h b/llvm/tools/llvm-rc/ResourceScriptStmt.h
index 82f7d11..22a569c 100644
--- a/llvm/tools/llvm-rc/ResourceScriptStmt.h
+++ b/llvm/tools/llvm-rc/ResourceScriptStmt.h
@@ -127,6 +127,7 @@
   RkDialog = 5,
   RkStringTableBundle = 6,
   RkAccelerators = 9,
+  RkRcData = 10,
   RkCursorGroup = 12,
   RkIconGroup = 14,
   RkVersionInfo = 16,