appveyor: hehe, OR

appveyor.yml

@@ -16,7 +16,7 @@ install:
 - if not exist "%SDL2_ARCHIVE%.gz" appveyor DownloadFile "%SDL2_URL%" -FileName "%SDL2_ARCHIVE%.gz"
 - 7z x -y "%SDL2_ARCHIVE%.gz" -o%TMP% >null
 - 7z x -y "%TMP%\%SDL2_ARCHIVE%" -o%TMP% >null
-- robocopy /S /xx /ns /nc /nfl /ndl /np %TMP%\%SDL2_MOVE% %MINGW_SDK% && exit 0
+- robocopy /S /xx /ns /nc /nfl /ndl /np %TMP%\%SDL2_MOVE% %MINGW_SDK% || exit 0
 - ps: (Get-Content %TMP%\%SDL2_MOVE%\bin\sdl2-config) | ForEach-Object { $_ -replace "/usr/local/cross-tools/i686-w64-mingw32", "%MINGW_SDK%" } | Set-Content %MINGW_SDK%\bin\sdl2-config
 - ps: (Get-Content %TMP%\%SDL2_MOVE%\lib\cmake\SDL2\sdl2-config.cmake) | ForEach-Object { $_ -replace "/usr/local/cross-tools/i686-w64-mingw32", "%MINGW_SDK%" } | Set-Content %MINGW_SDK%\lib\cmake\SDL2\sdl2-config.cmake
 - ps: (Get-Content %TMP%\%SDL2_MOVE%\lib\pkgconfig\sdl2.pc) | ForEach-Object { $_ -replace "/usr/local/cross-tools/i686-w64-mingw32", "%MINGW_SDK%" } | Set-Content %MINGW_SDK%\lib\pkgconfig\sdl2.pc