fix a small bug that caused screenshot to show garbage in some cases

we were not clearing the screen entirely, which caused garbage when
the screen wasn't entirely covered by windows.

Change-Id: Ie9ab9b94eabfa6cafddf45bb14bc733bdc8d35c0
1 file changed
tree: b6514877dba7dfbff737216ae02e6ae2335a3585
  1. cmds/
  2. include/
  3. libs/
  4. opengl/
  5. services/
  6. vpn/
  7. MODULE_LICENSE_APACHE2
  8. NOTICE