d8e364d053
Added check for if fgCreateWindow cannot allocate a window, it will produce an error. (cherry picked from commit 0ed05f64589fbcc67f225e1dc3ef6f5181fd319f) (cherry picked from commit 0ed05f64589fbcc67f225e1dc3ef6f5181fd319f) git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1776 7f0cb862-5218-0410-a997-914c9d46530a