Fixed bug identified by Kevin. If pollrate is larger than elapsedtime, we'd wrap, and joystick would never get polled

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1710 7f0cb862-5218-0410-a997-914c9d46530a
change some initializer use that some compilers choke on (even that technically may a bug in the compiler, I think)

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1711 7f0cb862-5218-0410-a997-914c9d46530a
Merge remote-tracking branch 'svn/trunk' into git_master