Linux warning

[jD91mZM2]

legolord208@legolord208-X550LD ~/Coding/Go/src/github.com/getlantern $ go get github.com/getlantern/systray/
# github.com/getlantern/systray
systray/systray_linux.c: In function ‘nativeLoop’:
systray/systray_linux.c:37:2: warning: ‘return’ with no value, in function returning non-void
  return;
  ^

Still works, so... nothing big. Just letting you know. Probably change it to return 0 or something ¯\_(ツ)_/¯