branches/zip: row_sel_sec_rec_is_for_clust_rec(): Augment the bug fix in r918:

After calling row_sel_sec_rec_is_for_blob(), skip the cmp_data_data()
comparison of the incomplete prefix.

row/row0sel.c

@@ -166,6 +166,8 @@ row_sel_sec_rec_is_for_clust_rec(
 						    clust_index->table))) {
 					goto inequal;
 				}
+
+				continue;
 			}
 		}