[Support] Move Stream library from MSF -> Support.

After several smaller patches to get most of the core improvements
finished up, this patch is a straight move and header fixup of
the source.

Differential Revision: https://reviews.llvm.org/D30266

llvm-svn: 296810
diff --git a/llvm/lib/DebugInfo/MSF/MappedBlockStream.cpp b/llvm/lib/DebugInfo/MSF/MappedBlockStream.cpp
index 242088c..57953cf 100644
--- a/llvm/lib/DebugInfo/MSF/MappedBlockStream.cpp
+++ b/llvm/lib/DebugInfo/MSF/MappedBlockStream.cpp
@@ -9,10 +9,10 @@
 
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 
-#include "llvm/DebugInfo/MSF/BinaryStreamError.h"
 #include "llvm/DebugInfo/MSF/IMSFFile.h"
 #include "llvm/DebugInfo/MSF/MSFCommon.h"
 #include "llvm/DebugInfo/MSF/MSFStreamLayout.h"
+#include "llvm/Support/BinaryStreamError.h"
 
 using namespace llvm;
 using namespace llvm::msf;