patch 9.1.0413: smoothscroll may cause infinite loop

Problem:  smoothscroll may cause infinite loop, with
          very narrow windows
          (Jaehwang Jung, after v9.1.0280)
Solution: Check for width1 being negative, verify
          that win_linetabsize does not overflow

fixes: #14750
closes: #14772

Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    413,
 /**/
     412,
 /**/