c751a9179d
Commit ce15044f7362943aee7d465bf20310ba02991dae introduced an error "undefined reference to `sball_initialized'" on non-Windows operating systems. (cherry picked from commit 989ceddc191419daa02b08f664bbbce11cbc5598) (cherry picked from commit 989ceddc191419daa02b08f664bbbce11cbc5598) git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1769 7f0cb862-5218-0410-a997-914c9d46530a