More PCH -> AST renaming.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111472 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Lex/MacroInfo.cpp b/lib/Lex/MacroInfo.cpp
index 6eac036..c6d0934 100644
--- a/lib/Lex/MacroInfo.cpp
+++ b/lib/Lex/MacroInfo.cpp
@@ -20,7 +20,7 @@
   IsC99Varargs = false;
   IsGNUVarargs = false;
   IsBuiltinMacro = false;
-  IsFromPCH = false;
+  IsFromAST = false;
   IsDisabled = false;
   IsUsed = true;
   IsAllowRedefinitionsWithoutWarning = false;
@@ -37,7 +37,7 @@
   IsC99Varargs = MI.IsC99Varargs;
   IsGNUVarargs = MI.IsGNUVarargs;
   IsBuiltinMacro = MI.IsBuiltinMacro;
-  IsFromPCH = MI.IsFromPCH;
+  IsFromAST = MI.IsFromAST;
   IsDisabled = MI.IsDisabled;
   IsUsed = MI.IsUsed;
   IsAllowRedefinitionsWithoutWarning = MI.IsAllowRedefinitionsWithoutWarning;