Fix typos in messages.
--- unclutter.c.orig	1994-04-11 10:40:47.000000000 -0500
+++ unclutter.c	2023-09-03 05:17:48.000000000 -0500
@@ -43,8 +43,8 @@
  	-root	       		apply to cursor on root window too\n\
 	-onescreen		apply only to given screen of display\n\
  	-visible       		ignore visibility events\n\
- 	-noevents      		dont send pseudo events\n\
-	-not names...		dont apply to windows whose wm-name begins.\n\
+ 	-noevents      		don't send pseudo events\n\
+	-not names...		don't apply to windows whose wm-name begins\n\
 				(must be last argument)");
 }