Rename TGSourceMgr -> SourceMgr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73844 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGParser.h b/utils/TableGen/TGParser.h
index 8602357..d06e958 100644
--- a/utils/TableGen/TGParser.h
+++ b/utils/TableGen/TGParser.h
@@ -47,7 +47,7 @@
   /// current value.
   MultiClass *CurMultiClass;
 public:
-  TGParser(TGSourceMgr &SrcMgr) : Lex(SrcMgr), CurMultiClass(0) {}
+  TGParser(SourceMgr &SrcMgr) : Lex(SrcMgr), CurMultiClass(0) {}
   
   void setIncludeDirs(const std::vector<std::string> &D){Lex.setIncludeDirs(D);}