Require that all static analyzer issues have a category.  As part of this change,
consolidate some commonly used category strings into global references (more of this can be done, I just did a few).

Fixes <rdar://problem/11191537>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154121 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp b/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
index 9d77ad4..d15c8ba 100644
--- a/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
+++ b/lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp
@@ -83,7 +83,7 @@
   const std::string desc;
 public:
   InitSelfBug() : BugType("Missing \"self = [(super or self) init...]\"",
-                          "Core Foundation/Objective-C") {}
+                          categories::CoreFoundationObjectiveC) {}
 };
 
 } // end anonymous namespace