Rename MCTargetOptionsCommandFlags.h to .def as it is not a normal/modular header as much as it is for stamping out some global/static variables

llvm-svn: 319086
diff --git a/llvm/tools/llvm-dwp/llvm-dwp.cpp b/llvm/tools/llvm-dwp/llvm-dwp.cpp
index 59975f3..db017ac 100644
--- a/llvm/tools/llvm-dwp/llvm-dwp.cpp
+++ b/llvm/tools/llvm-dwp/llvm-dwp.cpp
@@ -29,7 +29,7 @@
 #include "llvm/MC/MCRegisterInfo.h"
 #include "llvm/MC/MCSectionELF.h"
 #include "llvm/MC/MCStreamer.h"
-#include "llvm/MC/MCTargetOptionsCommandFlags.h"
+#include "llvm/MC/MCTargetOptionsCommandFlags.def"
 #include "llvm/Object/Decompressor.h"
 #include "llvm/Object/ObjectFile.h"
 #include "llvm/Support/Compression.h"