(config, dll.mak, exe.mak, mswince-ruby17.def,
io.c, process.c, signal.c, string.c, time.c)
* wince/ : files added.
(assert.c, Makefile.sub, mkexports.rb, io_wce.c,
process_wce.c, signal_wce.c, string_wce.c,
time_wce.c)
* wince/configure.bat : like mswin32 style.
* wince/direct.c : remove "static" at _currentdir.
* wince/io.h : change definition.
* wince/stdio.c : _fdopen -> fdopen.
* wince/process.h : add_P_OVERLAY.
* wince/time.h : change definition.
* wince/wincemain.c : add wce_SetCurrentDir.
* wince/wince.c : add wce_SetCurrentDir and wce_fopen.
fix GetModuleFileNameA to return correct "lpFileName".
* wince/wince.h : remove #ifdef.
* wince/sys/utime.h, utime.c : rename _utime to utime.
* wince/sys/stat.c : expand relative directory in stat.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@3734 b2dd03c8-39d4-4d8f-98ff-823fe69b080e