Pull AttrNonNullChecker into its own files.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85883 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CMakeLists.txt b/lib/Analysis/CMakeLists.txt
index bd35586..9830d79 100644
--- a/lib/Analysis/CMakeLists.txt
+++ b/lib/Analysis/CMakeLists.txt
@@ -3,6 +3,7 @@
 add_clang_library(clangAnalysis
   AnalysisContext.cpp
   AnalysisManager.cpp
+  AttrNonNullChecker.cpp
   BadCallChecker.cpp
   BasicConstraintManager.cpp
   BasicObjCFoundationChecks.cpp