Move <map> include out of .h and into .cpp.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121661 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/CodeEmitterGen.cpp b/utils/TableGen/CodeEmitterGen.cpp
index 6ee63b8..9d0f3fd 100644
--- a/utils/TableGen/CodeEmitterGen.cpp
+++ b/utils/TableGen/CodeEmitterGen.cpp
@@ -19,6 +19,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
+#include <map>
 using namespace llvm;
 
 // FIXME: Somewhat hackish to use a command line option for this. There should