de-constify llvm::Type, patch by David Blaikie!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGBlocks.h b/lib/CodeGen/CGBlocks.h
index 4d8dead..6e71c1f 100644
--- a/lib/CodeGen/CGBlocks.h
+++ b/lib/CodeGen/CGBlocks.h
@@ -176,7 +176,7 @@
   /// because it gets set later in the block-creation process.
   mutable bool UsesStret : 1;
 
-  const llvm::StructType *StructureType;
+  llvm::StructType *StructureType;
   const BlockExpr *Block;
   CharUnits BlockSize;
   CharUnits BlockAlign;