[Modules] Update to reflect the move of CFG.h to the IR library in LLVM
r202827.

llvm-svn: 202830
diff --git a/polly/lib/Support/ScopHelper.cpp b/polly/lib/Support/ScopHelper.cpp
index f4476c1..e10b973 100644
--- a/polly/lib/Support/ScopHelper.cpp
+++ b/polly/lib/Support/ScopHelper.cpp
@@ -17,7 +17,7 @@
 #include "llvm/Analysis/RegionInfo.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
-#include "llvm/Support/CFG.h"
+#include "llvm/IR/CFG.h"
 #include "llvm/Transforms/Utils/BasicBlockUtils.h"
 
 #define DEBUG_TYPE "polly-scop-helper"