Sort include files according to convention.

llvm-svn: 220131
diff --git a/lld/lib/Core/Resolver.cpp b/lld/lib/Core/Resolver.cpp
index 417442d..1657866 100644
--- a/lld/lib/Core/Resolver.cpp
+++ b/lld/lib/Core/Resolver.cpp
@@ -10,19 +10,17 @@
 #include "lld/Core/Atom.h"
 #include "lld/Core/ArchiveLibraryFile.h"
 #include "lld/Core/File.h"
-#include "lld/Core/SharedLibraryFile.h"
 #include "lld/Core/Instrumentation.h"
 #include "lld/Core/LLVM.h"
-#include "lld/Core/Resolver.h"
-#include "lld/Core/SymbolTable.h"
 #include "lld/Core/LinkingContext.h"
+#include "lld/Core/Resolver.h"
+#include "lld/Core/SharedLibraryFile.h"
+#include "lld/Core/SymbolTable.h"
 #include "lld/Core/UndefinedAtom.h"
-
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/raw_ostream.h"
-
 #include <algorithm>
 #include <cassert>
 #include <vector>