updated for version 7.4b.022

Problem:    Not waiting for a character when the tick count overflows.
Solution:   Subtract the unsigned numbers and cast to int. (Ken Takata)

src/version.c

@@ -727,6 +727,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    22,
 /**/
     21,
 /**/