Moved FileSpec into the Host layer since it will vary from host to host.
We have a common unix implementation in lldb/source/Host/common/FileSpec.cpp.

llvm-svn: 125078
diff --git a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
index d3000f4..46d628e 100644
--- a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
+++ b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.h
@@ -12,7 +12,7 @@
 
 #include "llvm/Support/MachO.h"
 
-#include "lldb/Core/FileSpec.h"
+#include "lldb/Host/FileSpec.h"
 #include "lldb/Host/Mutex.h"
 #include "lldb/Symbol/ObjectFile.h"