move library-specific diagnostic headers into library private dirs.  Reduce
redundant #includes.  Patch by Anders Johnsen!

llvm-svn: 63271
diff --git a/clang/lib/Parse/ParsePragma.cpp b/clang/lib/Parse/ParsePragma.cpp
index 279038c..01496b3 100644
--- a/clang/lib/Parse/ParsePragma.cpp
+++ b/clang/lib/Parse/ParsePragma.cpp
@@ -12,7 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "ParsePragma.h"
-#include "clang/Basic/DiagnosticParse.h"
+#include "clang/Parse/ParseDiagnostic.h"
 #include "clang/Lex/Preprocessor.h"
 #include "clang/Parse/Action.h"
 using namespace clang;