More "LIMIT 1" removed - and some other SQL improvements.

include/datetime.php

@@ -19,7 +19,7 @@ if(! function_exists('select_timezone')) {
 function select_timezone($current = 'America/Los_Angeles') {
 
 	$timezone_identifiers = DateTimeZone::listIdentifiers();
-	
+
 	$o ='<select id="timezone_select" name="timezone">';
 
 	usort($timezone_identifiers, 'timezone_cmp');
@@ -487,11 +487,11 @@ function update_contact_birthdays() {
 				dbesc('birthday'),
 				intval(0)
 			);
-			
+
 
 			// update bdyear
 
-			q("UPDATE `contact` SET `bdyear` = '%s', `bd` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
+			q("UPDATE `contact` SET `bdyear` = '%s', `bd` = '%s' WHERE `uid` = %d AND `id` = %d",
 				dbesc(substr($nextbd,0,4)),
 				dbesc($nextbd),
 				intval($rr['uid']),