[llvm-rc] Serialize VERSIONINFO resources to .res files.

This is now able to dump VERSIONINFO resources.

Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa381058.aspx

Differential Revision: https://reviews.llvm.org/D38410
Patch by: Marek Sokolowski

llvm-svn: 315110
diff --git a/llvm/tools/llvm-rc/ResourceVisitor.h b/llvm/tools/llvm-rc/ResourceVisitor.h
index 16ffba6..c0d0028 100644
--- a/llvm/tools/llvm-rc/ResourceVisitor.h
+++ b/llvm/tools/llvm-rc/ResourceVisitor.h
@@ -37,6 +37,7 @@
   virtual Error visitHTMLResource(const RCResource *) = 0;
   virtual Error visitIconResource(const RCResource *) = 0;
   virtual Error visitMenuResource(const RCResource *) = 0;
+  virtual Error visitVersionInfoResource(const RCResource *) = 0;
 
   virtual Error visitCaptionStmt(const CaptionStmt *) = 0;
   virtual Error visitCharacteristicsStmt(const CharacteristicsStmt *) = 0;