Checker: random include cleanup.

llvm-svn: 99731
diff --git a/clang/lib/Checker/DereferenceChecker.cpp b/clang/lib/Checker/DereferenceChecker.cpp
index dfd3b61..af74c79 100644
--- a/clang/lib/Checker/DereferenceChecker.cpp
+++ b/clang/lib/Checker/DereferenceChecker.cpp
@@ -12,11 +12,11 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "GRExprEngineInternalChecks.h"
+#include "clang/Checker/BugReporter/BugType.h"
 #include "clang/Checker/Checkers/DereferenceChecker.h"
 #include "clang/Checker/PathSensitive/Checker.h"
 #include "clang/Checker/PathSensitive/GRExprEngine.h"
-#include "clang/Checker/BugReporter/BugReporter.h"
-#include "GRExprEngineInternalChecks.h"
 
 using namespace clang;