Sort the #include lines for utils/...

I've tried to find main moudle headers where possible, but the TableGen
stuff may warrant someone else looking at it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169251 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/SequenceToOffsetTable.h b/utils/TableGen/SequenceToOffsetTable.h
index d4db152..fcda233 100644
--- a/utils/TableGen/SequenceToOffsetTable.h
+++ b/utils/TableGen/SequenceToOffsetTable.h
@@ -17,11 +17,11 @@
 #define TBLGEN_SEQUENCE_TO_OFFSET_TABLE_H
 
 #include "llvm/Support/raw_ostream.h"
-#include <functional>
 #include <algorithm>
-#include <vector>
 #include <cassert>
 #include <cctype>
+#include <functional>
+#include <vector>
 
 namespace llvm {