[WebAssembly] Fix build error in wasm YAML code

This warning didn't show up on my local build
but is causing the bots to fail.  Seems like a
bad idea to have types and variables with the
same name anyhow.

Differential Revision: https://reviews.llvm.org/D33022

llvm-svn: 302606
diff --git a/llvm/tools/obj2yaml/wasm2yaml.cpp b/llvm/tools/obj2yaml/wasm2yaml.cpp
index 6efa2ac..d4d978f 100644
--- a/llvm/tools/obj2yaml/wasm2yaml.cpp
+++ b/llvm/tools/obj2yaml/wasm2yaml.cpp
@@ -108,11 +108,11 @@
           Im.SigIndex = Import.SigIndex;
           break;
         case wasm::WASM_EXTERNAL_GLOBAL:
-          Im.Global.Type = Import.Global.Type;
-          Im.Global.Mutable = Import.Global.Mutable;
+          Im.GlobalImport.Type = Import.Global.Type;
+          Im.GlobalImport.Mutable = Import.Global.Mutable;
           break;
         case wasm::WASM_EXTERNAL_TABLE:
-          Im.Table = make_table(Import.Table);
+          Im.TableImport = make_table(Import.Table);
           break;
         case wasm::WASM_EXTERNAL_MEMORY:
           Im.Memory = make_limits(Import.Memory);