patch 8.1.0675: text property column in screen columns is not practical

Problem:    Text property column is screen columns is not practical.
Solution:   Use byte values for the column.

src/version.c

@@ -799,6 +799,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    675,
 /**/
     674,
 /**/