[skip ci] WIP use kiwix-desktop window_utf16 branch

appveyor/install_kiwix-desktop.cmd

@@ -2,6 +2,7 @@ REM ========================================================
 REM Install kiwix-desktop
 git clone https://github.com/kiwix/kiwix-desktop || exit /b 1
 cd kiwix-desktop
+git checkout windows_utf16
 echo "Getting fix_desktop"
 curl -fsSL -O http://public.kymeria.fr/KIWIX/windows/fix_desktop_makefile.py_ || exit /b 1
 echo "Running qmake"

appveyor/install_libzim.cmd

@@ -2,6 +2,7 @@ REM ========================================================
 REM Install libzim
 git clone https://github.com/openzim/libzim.git || exit /b 1
 cd libzim
+git checkout win_utf16
 meson.py . build --prefix %EXTRA_DIR% --default-library static --buildtype release || exit /b 1
 cd build
 ninja || exit /b 1