wgl: s/glX/wgl/ in error message
wgl: s/glX/wgl/ in error message

Spotted while running through piglits and the test required OGL 4.0
context on my OGL 3.3 card.

Signed-off-by: Emil Velikov <4c996f2f093ddd0585a556460b4cc3ba555546ef@gmail.com>
Reviewed-by: Chad Versace <a557f7f75bf28dc19ac99107f5cc7cd6b3fbdb1a@linux.intel.com>

waffle-gl/waffle,waffle-gl/waffle,chadversary/waffle,fjhenigman/waffle,maurossi/waffle,fjhenigman/waffle,evelikov/waffle,maurossi/waffle,fjhenigman/waffle,waffle-gl/waffle,dcbaker/waffle,chadversary/waffle,dcbaker/waffle,evelikov/waffle,chadversary/waffle,waffle-gl/waffle,dcbaker/waffle,maurossi/waffle,evelikov/waffle