Gets rid of 9 instances of gcc 4.8 warning:
glxcmds.c: In function ‘CreateContext’:
glxcmds.c:378:13: warning: passing argument 1 of ‘glxIsExtensionSupported’
discards ‘const’ qualifier from pointer target type [enabled by default]
else if (glxIsExtensionSupported("GLX_SGIX_fbconfig")) {
^
In file included from glxserver.h:49:0,
from glxcmds.c:41:
glxscreens.h:53:12: note: expected ‘char *’ but argument is of type
‘const char *’
extern int glxIsExtensionSupported(char *ext);
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Rémi Cardona <remi@gentoo.org>
Reviewed-by: Keith Packard <keithp@keithp.com>