Add SigAtomicType to TargetInfo, Needed for MSP and PIC Targets, Credit to Ken Dyck.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89520 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 8a4614a..e5a4c43 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1533,6 +1533,7 @@
       UIntMaxType = UnsignedLong;
       IntPtrType = SignedShort;
       PtrDiffType = SignedInt;
+      SigAtomicType = SignedLong;
       FloatWidth = 32;
       FloatAlign = 32;
       DoubleWidth = 32;
@@ -1600,6 +1601,7 @@
       UIntMaxType = UnsignedLong;
       IntPtrType = SignedShort;
       PtrDiffType = SignedInt;
+      SigAtomicType = SignedLong;
       DescriptionString = "e-p:16:8:8-i8:8:8-i16:8:8-i32:8:8-n8:16";
    }
     virtual void getTargetDefines(const LangOptions &Opts,