[PCH] When complaining that a header from the PCH was modified, also mention
the filename of the PCH file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176717 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 4ad51e5..743204e 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -1602,7 +1602,7 @@
 #endif
          )) {
       if (Complain)
-        Error(diag::err_fe_pch_file_modified, Filename);
+        Error(diag::err_fe_pch_file_modified, Filename, F.FileName);
       IsOutOfDate = true;
     }