Add support for the Microsoft uuid attribute:

example:
struct __declspec(uuid("6d5140c1-7436-11ce-8034-00aa006009fa"))
test { };


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@122173 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/AttributeList.cpp b/lib/Sema/AttributeList.cpp
index 789c17b..6aa9690 100644
--- a/lib/Sema/AttributeList.cpp
+++ b/lib/Sema/AttributeList.cpp
@@ -133,5 +133,6 @@
     .Case("launch_bounds", AT_launch_bounds)
     .Case("common", AT_common)
     .Case("nocommon", AT_nocommon)
+    .Case("uuid", AT_uuid)
     .Default(UnknownAttribute);
 }