Rename SourceLocation::getFileLocWithOffset -> getLocWithOffset.

It already works (and is useful with) macro locs as well.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140057 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPLexerChange.cpp b/lib/Lex/PPLexerChange.cpp
index d522207..9212182 100644
--- a/lib/Lex/PPLexerChange.cpp
+++ b/lib/Lex/PPLexerChange.cpp
@@ -94,7 +94,7 @@
       SourceMgr.getFileEntryForID(FID) == CodeCompletionFile) {
     CodeCompletionFileLoc = SourceMgr.getLocForStartOfFile(FID);
     CodeCompletionLoc =
-        CodeCompletionFileLoc.getFileLocWithOffset(CodeCompletionOffset);
+        CodeCompletionFileLoc.getLocWithOffset(CodeCompletionOffset);
   }
 
   EnterSourceFileWithLexer(new Lexer(FID, InputFile, *this), CurDir);