Prune includes in X86 target.

llvm-svn: 204216
diff --git a/llvm/lib/Target/X86/X86FastISel.cpp b/llvm/lib/Target/X86/X86FastISel.cpp
index 0751af4..c3e0020 100644
--- a/llvm/lib/Target/X86/X86FastISel.cpp
+++ b/llvm/lib/Target/X86/X86FastISel.cpp
@@ -15,8 +15,8 @@
 
 #include "X86.h"
 #include "X86CallingConv.h"
-#include "X86ISelLowering.h"
 #include "X86InstrBuilder.h"
+#include "X86MachineFunctionInfo.h"
 #include "X86RegisterInfo.h"
 #include "X86Subtarget.h"
 #include "X86TargetMachine.h"