updated for version 7.3.274

Problem:    With concealed characters tabs do not have the right size.
Solution:   Use VCOL_HLC instead of vcol. (Eiichi Sato)

src/version.c

@@ -709,6 +709,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    274,
 /**/
     273,
 /**/