[Utils] Put includes in correct order. NFC.

Summary:
    Followed the guidelines in:
    http://llvm.org/docs/CodingStandards.html#include-style
    
    However, I noticed that uppercase named headers come before lowercase ones
    throughout the codebase. So kept them as is.
    
    Patch by Mandeep Singh Grang <mgrang@codeaurora.org>

Reviewers: majnemer, davide, jmolloy, atrick

Subscribers: sanjoy

Differential Revision: http://reviews.llvm.org/D14939

llvm-svn: 254005
diff --git a/llvm/lib/Transforms/Utils/InlineFunction.cpp b/llvm/lib/Transforms/Utils/InlineFunction.cpp
index a31131b..dd8e5b3 100644
--- a/llvm/lib/Transforms/Utils/InlineFunction.cpp
+++ b/llvm/lib/Transforms/Utils/InlineFunction.cpp
@@ -13,9 +13,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Transforms/Utils/Cloning.h"
+#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/SetVector.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/AssumptionCache.h"