land David Blaikie's patch to de-constify Type, with a few tweaks.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135375 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Target.cpp b/lib/Target/Target.cpp
index a42ce54..1216cce 100644
--- a/lib/Target/Target.cpp
+++ b/lib/Target/Target.cpp
@@ -87,13 +87,13 @@
 
 unsigned LLVMElementAtOffset(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
                              unsigned long long Offset) {
-  const StructType *STy = unwrap<StructType>(StructTy);
+  StructType *STy = unwrap<StructType>(StructTy);
   return unwrap(TD)->getStructLayout(STy)->getElementContainingOffset(Offset);
 }
 
 unsigned long long LLVMOffsetOfElement(LLVMTargetDataRef TD, LLVMTypeRef StructTy,
                                        unsigned Element) {
-  const StructType *STy = unwrap<StructType>(StructTy);
+  StructType *STy = unwrap<StructType>(StructTy);
   return unwrap(TD)->getStructLayout(STy)->getElementOffset(Element);
 }