Include System/DataTypes.h in Diagnostic.h to get intptr_t.
Set Haiku's UserLabelPrefix to "".
Patch by Paul Davey.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118510 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 0bab0d2..b51ac02 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1500,6 +1500,7 @@
     SizeType = UnsignedLong;
     IntPtrType = SignedLong;
     PtrDiffType = SignedLong;
+    this->UserLabelPrefix = "";
   }
   virtual void getTargetDefines(const LangOptions &Opts,
                                 MacroBuilder &Builder) const {