2005-07-07  Pascal Obry  <obry@adacore.com>

	* g-socthi-mingw.adb (C_Inet_Addr): New body used to convert the
	returned type on Windows.

	* g-socthi-mingw.ads (C_Inet_Addr): Remove pragma Import for this
	routine.

	* g-socket.adb (Inet_Addr): Check for empty Image and raises an
	exception in this case.
	Simplify the code as "Image (Image'Range)" = "Image".

From-SVN: r101691