don't check using R__WIN32, but use GDK_WIN32 since on R__WIN32 we have both GDK and cygwin X11.
don't check using R__WIN32, but use GDK_WIN32 since on R__WIN32 we have both
GDK and cygwin X11.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@12318 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root,dawehner/root,bbannier/ROOT,dawehner/root,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,bbannier/ROOT,bbannier/ROOT,dawehner/root,dawehner/root