wmmon: remove wmgeneral.c typecasting warning

wmmon: Added -f to rm

The -f argument don't stop the make process if the file don't
exists.

wmmon/wmgeneral/wmgeneral.c

@@ -318,7 +318,7 @@ void openXwindow(int argc, char *argv[], char *pixmap_bytes[], char *pixmask_bit
 	            &mysizehints.width, &mysizehints.height, &dummy);
 	if (geometry)
 		XParseGeometry(geometry, &mysizehints.x, &mysizehints.y,
-		               &mysizehints.width, &mysizehints.height);
+		               (unsigned int *) &mysizehints.width, (unsigned int *) &mysizehints.height);
 
 	mysizehints.width = 64;
 	mysizehints.height = 64;

wmmon/wmmon/Makefile

@@ -14,6 +14,6 @@ wmmon: $(OBJS)
 
 clean::
 	for i in $(OBJS) ; do \
-		rm $$i;\
+		rm -f $$i;\
 	done
-	rm wmmon
+	rm -f wmmon