Always test for the availability of libusb-config. I think that it is a fairly common thing to have on Linux distributions.
Always test for the availability of libusb-config. I think that it is a
fairly common thing to have on Linux distributions.


git-svn-id: a341ccba1312b2efdbe34f40faf90581f48aa49f@19972 08b38cba-cd3b-11de-854e-f91c5b6e4272

vrjuggler/vrjuggler,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,godbyk/vrjuggler-upstream-old,MichaelMcDonnell/vrjuggler,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,vrjuggler/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,vancegroup-mirrors/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old,LiuKeHua/vrjuggler,vancegroup-mirrors/vrjuggler,godbyk/vrjuggler-upstream-old,LiuKeHua/vrjuggler,LiuKeHua/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,MichaelMcDonnell/vrjuggler,vancegroup-mirrors/vrjuggler,LiuKeHua/vrjuggler,vrjuggler/vrjuggler,godbyk/vrjuggler-upstream-old