File unclutter-8-return.diff of Package unclutter

--- unclutter.c
+++ unclutter.c
@@ -31,7 +31,7 @@
     fprintf(stderr,"%s: %s\n",progname,str);
     exit(1);
 }
-usage(){
+void usage(){
     pexit("usage:\n\
 	-display <display>\n\
 	-idle <seconds>		time between polls to detect idleness.\n\
@@ -64,6 +64,8 @@
 {
     if(error->error_code!=BadWindow)
 	(*defaulthandler)(display,error);
+    
+    return 0;
 }
 
 char **names;	/* -> argv list of names to avoid */