Fixed CI scripts on Windows
For an unknown reason, unzip on Windows reports status code 50
(presumably "the disk is (or was) full during extraction.") even
if there's plenty of space. To workaround this, simply ignore
status code 50 on Windows. Sigh.
@REM -------
@REM make using mingw gnu compiler
@REM type mingwmake, and wait...
@REM do not edit - automatically generated from ProjectDefinition
@REM -------
@SET DEFINES=
@REM Kludge got Mercurial, cannot be implemented in Borland make
@FOR /F "tokens=*" %%i in ('hg root') do SET HGROOT=%%i
@IF "%HGROOT%" NEQ "" SET DEFINES=%DEFINES% "-DHGROOT=%HGROOT%"
@pushd ..\..\..\..\rules
@call find_mingw.bat
@popd
make.exe -N -f bc.mak %DEFINES% %USEMINGW_ARG% %*