simple-im: Use the appropriate enum names to xkb calls

XKB_KEYMAP_COMPILE_NO_FLAGS and XKB_CONTEXT_NO_FLAGS are both defined as
0 so no functional change here, just improved code clarity.

Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>
Reviewed-by: Jan Arne Petersen <janarne@gmail.com>
1 file changed