PTH: Remove some methods and simplify some conditions in PTHLexer::Lex().  No big functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61381 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/PPLexerChange.cpp b/lib/Lex/PPLexerChange.cpp
index cd50f0e..d25f4f4 100644
--- a/lib/Lex/PPLexerChange.cpp
+++ b/lib/Lex/PPLexerChange.cpp
@@ -308,7 +308,7 @@
     CurLexer.reset();
   }
   else {
-    CurPTHLexer->setEOF(Result);
+    CurPTHLexer->getEOF(Result);
     CurPTHLexer.reset();
   }