Update CMake build.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@145506 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/StaticAnalyzer/Checkers/CMakeLists.txt b/lib/StaticAnalyzer/Checkers/CMakeLists.txt
index 89f579e..293e01b 100644
--- a/lib/StaticAnalyzer/Checkers/CMakeLists.txt
+++ b/lib/StaticAnalyzer/Checkers/CMakeLists.txt
@@ -21,6 +21,7 @@
   CheckObjCInstMethSignature.cpp
   CheckSecuritySyntaxOnly.cpp
   CheckSizeofPointer.cpp
+  CheckerDocumentation.cpp
   ChrootChecker.cpp
   ClangCheckers.cpp
   DeadStoresChecker.cpp