CLEANUP: few extra typo and fixes over last one ("ot" -> "to")

As noticed by Tim there were a few incorrect fixes in the previous patch
("ot" -> "to" and not "or").
diff --git a/src/ev_select.c b/src/ev_select.c
index dd0b762..3e42f72 100644
--- a/src/ev_select.c
+++ b/src/ev_select.c
@@ -123,7 +123,7 @@
 			break;
 		if (fdtab[fd].update_mask & tid_bit) {
 			/* Cheat a bit, as the state is global to all pollers
-			 * we don't need every thread or take care of the
+			 * we don't need every thread to take care of the
 			 * update.
 			 */
 			_HA_ATOMIC_AND(&fdtab[fd].update_mask, ~all_threads_mask);