$ wget -nv http://download.sourceforge.net/project/libusb/libusb-1.0/libusb-1.0.18/libusb-1.0.18-win.7z
   $ 7z -olibusb-1.0.18-win x libusb-1.0.18-win.7z
   $ wget -nv http://win32.libav.org/releases/libav-9.13-win32.7z
-  $ 7z -olibav-9.13-win32 x libav-9.13-win32.7z 
+  $ 7z -olibav-9.13-win32 x libav-9.13-win32.7z
   $ cmake  \
           -D GNU_HOST=i686-w64-mingw32 \
           -D CMAKE_TOOLCHAIN_FILE=../cmake_modules/mingw_cross_toolchain.cmake \
 
 
   - Royaltek PJU-2100:
       * http://www.royaltek.com/index.php/pju-2100-pico-projector
-  
+
   - Aiptek PocketCinema T25:
       * http://www.aiptek.eu/index.php/en/products/pico-projectors/pocketcinema-t25
 
 == Testing libam7xxx on MS Windows
 
 All the needed files below must be in the same location:
-  
+
   - 'MinGW32/dll/libusb-1.0.dll' from
     http://download.sourceforge.net/project/libusb/libusb-1.0/libusb-1.0.18/libusb-1.0.18-win.7z