[ruby-cvs:57203] nobu:r50054 (trunk): file.c: check arguments lengths

[nobu at ruby-lang.org]

nobu	2015-03-22 13:54:35 +0900 (Sun, 22 Mar 2015)

  New Revision: 50054

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=50054

  Log:
    file.c: check arguments lengths
    
    * win32/file.c (rb_file_expand_path_internal): check arguments
      lengths and should not loose preci quielty.

  Modified files:
    trunk/win32/file.c