patch 8.2.2966: ml_get errors after recovering a file

Problem:    ml_get errors after recovering a file. (Yegappan Lakshmanan)
Solution:   Fix the cursor position after deleting lines.

src/memline.c

@@ -1696,6 +1696,7 @@ ml_recover(int checkext)
 				       && !(curbuf->b_ml.ml_flags & ML_EMPTY))
 	ml_delete(curbuf->b_ml.ml_line_count);
     curbuf->b_flags |= BF_RECOVERED;
+    check_cursor();
 
     recoverymode = FALSE;
     if (got_int)

src/version.c

@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2966,
 /**/
     2965,
 /**/