test/putsurface_x11.c: don't hard code the DISPLAY to ":0.0"
test/putsurface_x11.c: don't hard code the DISPLAY to ":0.0"

Signed-off-by: Austin Yuan <f447c34e4ebcef84a81b40a8d4dbc448a14e5570@gmail.com>

android-ia/hardware_intel_libva,android-ia/hardware_intel_libva,android-ia/hardware_intel_libva,halleyzhao/libva-fdo,CyanogenMod/android_hardware_intel_libva,halleyzhao/libva-fdo,halleyzhao/libva-fdo,CyanogenMod/android_hardware_intel_libva,CyanogenMod/android_hardware_intel_libva