patch 9.1.0074: did_set_breakat() should be in optionstr.c

Problem:  did_set_breakat() should be in optionstr.c as 'breakat' is a
          string option.
Solution: Move did_set_breakat() to optionstr.c.
          (zeertzjq)

closes: #13958

Signed-off-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 */
+/**/
+    74,
 /**/
     73,
 /**/