patch applied (packages/filepath): Make dropTrailingPathSeparator not return empty string

[Ian Lynagh]

Sun Feb  8 11:16:54 PST 2009  Ian Lynagh <igloo at earth.li>
  * Make dropTrailingPathSeparator not return empty string
  dropTrailingPathSeparator "\\" was evaluating to "". Now if it would
  return "" it returns a single path separator instead. Fixes trac #2709.

    M ./System/FilePath/Internal.hs -1 +3

View patch online:
http://darcs.haskell.org/packages/filepath/_darcs/patches/20090208191654-3fd76-16fefd17c0d79152f398708d9765e6cd78d9849a.gz