DB/TrinityString: Fix an issue with non-ascii characters encoding

Thanks Warpten for the fix (always import files with mysql --default-char-set=utf8 < file)
Thanks eragon for reporting the issue and testing the fix

sql/updates/world/2013_09_01_01_world_trinity_string.sql

@@ -0,0 +1,23 @@
+DELETE FROM `trinity_string` WHERE `entry` IN (453, 548, 549, 550, 714, 716, 749, 752, 843, 844, 845, 846, 847, 848, 849, 850, 851, 852, 853, 854, 871); 
+INSERT INTO `trinity_string` (`entry`, `content_default`) VALUES
+(453,'│Player %s %s (guid: %u)'),
+(548,'│ GM Mode active, Phase: -1'),
+(549,'├─ Banned: (Type: %s, Reason: %s, Time: %s, By: %s)'),
+(550,'├─ Muted: (Reason: %s, Time: %s, By: %s)'),
+(714,'│ Account: %s (ID: %u), GMLevel: %u'),
+(716,'│ Last Login: %s (Failed Logins: %u)'),
+(749,'│ OS: %s - Latency: %u ms - Mail: %s'),
+(752,'│ Last IP: %s (Locked: %s)'),
+(843,'│ Level: %u (%u/%u XP (%u XP left))'),
+(844,'│ Race: %s %s, %s'),
+(845,'│ Alive ?: %s'),
+(846,'│ Phase: %u'),
+(847,'│ Money: %ug%us%uc'),
+(848,'│ Map: %s, Area: %s, Zone: %s'),
+(849,'│ Guild: %s (ID: %u)'),
+(850,'├─ Rank: %s'),
+(851,'├─ Note: %s'),
+(852,'├─ O. Note: %s'),
+(853,'│ Played time: %s'),
+(854,'└ Mails: %d Read/%u Total'),
+(871,'│ Level: %u');