ITS#9376 simplify

libraries/liblmdb/mdb.c

@@ -8481,7 +8481,6 @@ mdb_cursor_del0(MDB_cursor *mc)
 		return rc;
 	}
 
-	ki = mc->mc_ki[mc->mc_top];
 	mp = mc->mc_pg[mc->mc_top];
 	nkeys = NUMKEYS(mp);
 
@@ -8493,19 +8492,18 @@ mdb_cursor_del0(MDB_cursor *mc)
 		if (m3->mc_snum < mc->mc_snum)
 			continue;
 		if (m3->mc_pg[mc->mc_top] == mp) {
+			if (m3->mc_ki[mc->mc_top] >= mc->mc_ki[mc->mc_top]) {
 			/* if m3 points past last node in page, find next sibling */
-			if (m3->mc_ki[mc->mc_top] >= nkeys) {
-				rc = mdb_cursor_sibling(m3, 1);
-				if (rc == MDB_NOTFOUND) {
-					m3->mc_flags |= C_EOF;
-					rc = MDB_SUCCESS;
-					continue;
+				if (m3->mc_ki[mc->mc_top] >= nkeys) {
+					rc = mdb_cursor_sibling(m3, 1);
+					if (rc == MDB_NOTFOUND) {
+						m3->mc_flags |= C_EOF;
+						rc = MDB_SUCCESS;
+						continue;
+					}
+					if (rc)
+						goto fail;
 				}
-				if (rc)
-					goto fail;
-			}
-			if (m3->mc_ki[mc->mc_top] >= ki ||
-				/* moved to right sibling */ m3->mc_pg[mc->mc_top] != mp) {
 				if (m3->mc_xcursor && !(m3->mc_flags & C_EOF)) {
 					MDB_node *node = NODEPTR(m3->mc_pg[m3->mc_top], m3->mc_ki[m3->mc_top]);
 					/* If this node has dupdata, it may need to be reinited