patch 8.2.4262: some search tests fail

Problem:    Some search tests fail.
Solution:   Use a better way to reject searching for the Visual area.

src/regexp.c

@@ -1268,7 +1268,7 @@ reg_match_visual(void)
     colnr_T	curswant;
 
     // Check if the buffer is the current buffer and not using a string.
-    if (rex.reg_buf != curbuf || VIsual.lnum == 0 || rex.reg_maxline == 0)
+    if (rex.reg_buf != curbuf || VIsual.lnum == 0 || !REG_MULTI)
 	return FALSE;
 
     if (VIsual_active)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    4262,
 /**/
     4261,
 /**/