Don't include <map> in Pass.h, which doesn't need it. This requires
adding <map> to many files that actually do need it.

llvm-svn: 48667
diff --git a/llvm/lib/CodeGen/MachOWriter.h b/llvm/lib/CodeGen/MachOWriter.h
index 39d73ee..44fa7d4 100644
--- a/llvm/lib/CodeGen/MachOWriter.h
+++ b/llvm/lib/CodeGen/MachOWriter.h
@@ -21,6 +21,7 @@
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetMachOWriterInfo.h"
+#include <map>
 
 namespace llvm {
   class GlobalVariable;