build: fix the WTFPL homepage and copyright information.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libcaca/trunk@4859 92316355-f0b4-4df1-b90c-862c8a59935f
Fixed typo in driver/x11.c.


git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libcaca/trunk@4862 92316355-f0b4-4df1-b90c-862c8a59935f