Fixes #325. Dont pass nil to the FileStat constructor, be strict about class path

git-svn-id: file:///home/svn/framework3/trunk@7049 4d416f70-5f16-0410-b530-b9f4589650da

lib/rex/post/meterpreter/extensions/stdapi/fs/dir.rb

@@ -90,7 +90,7 @@ class Dir < Rex::Post::Dir
 			st = nil
 			
 			if (sbuf[idx])
-				st = FileStat.new(nil)
+				st = ::Rex::Post::FileStat.new
 				st.update(sbuf[idx].value)
 			end
 
@@ -270,4 +270,4 @@ protected
 
 end
 
-end; end; end; end; end; end
+end; end; end; end; end; end