updated for version 7.4.277

Problem:    Using ":sign unplace *" may leave the cursor in the wrong position
            (Christian Brabandt)
Solution:   Update the cursor position when removing all signs.

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    277,
 /**/
     276,
 /**/