patch 8.1.1337: get empty text prop when splitting line just after text prop

Problem:    Get empty text prop when splitting line just after text prop.
Solution:   Do not create an empty text prop at the start of the line.

src/version.c

@@ -767,6 +767,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1337,
 /**/
     1336,
 /**/