Make XIGetKnownProperty take a const char * argument

Now that MakeAtom takes const char *, so can XIGetKnownProperty.
Clears 71 warnings from gcc -Wwrite-strings of the form:
devices.c:145:5: warning: passing argument 1 of 'XIGetKnownProperty' discards qualifiers from pointer target type
../include/exevents.h:128:23: note: expected 'char *' but argument is of type 'const char *'

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>

0 files changed, 0 insertions, 0 deletions