updated for version 7.4.543

Problem:    Since patch 7.4.232 "1,3s/\n//" joins two lines instead of three.
            (Eliseo Martínez)  Issue 287
Solution:   Correct the line count. (Christian Brabandt)
            Also set the last used search pattern.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    543,
 /**/
     542,
 /**/