xapp_xinput-calibrator: rename directory to match .mk name

The directory was named xapp_xinput_calibrator, but the .mk file was
named xapp_xinput-calibrator.mk, which isn't consistent. Rename the
directory to xapp_xinput-calibrator to be consistent with the naming
of the .mk file and the other x11r7 directories.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/x11r7/Config.in

@@ -132,7 +132,7 @@ endmenu
 		source package/x11r7/xapp_xhost/Config.in
 		source package/x11r7/xapp_xinit/Config.in
 		source package/x11r7/xapp_xinput/Config.in
-		source package/x11r7/xapp_xinput_calibrator/Config.in
+		source package/x11r7/xapp_xinput-calibrator/Config.in
 		source package/x11r7/xapp_xkbcomp/Config.in
 		source package/x11r7/xapp_xkbevd/Config.in
 		source package/x11r7/xapp_xkbprint/Config.in