Corrected Bawaya Agimat Tattoo item bonus

* Fixes #2422.
* Adjusted bonus from variable cast time to fixed cast time.
Thanks to @esu1214!

db/re/item_db.txt

@@ -2110,7 +2110,7 @@
 2904,Naqsh,Naqsi,4,0,,0,,0,,0,0xFFFFFFFF,63,2,136,,0,0,0,{ skill "BS_MAXIMIZE",5; skill "BS_WEAPONPERFECT",5; skill "WL_RECOGNIZEDSPELL",5; skill "ECL_SNOWFLIP",1; skill "ECL_PEONYMAMY",1; skill "ECL_SADAGUI",1; skill "ECL_SEQUOIADUST",1; bonus2 bSkillCooldown,"WL_RECOGNIZEDSPELL",-180000; bonus bDelayRate,-100; },{},{}
 2905,Super_Ora_Ora,Super Ora Ora,4,0,,1000,,0,,0,0xFFFFFFFF,63,2,136,,0,0,0,{},{},{}
 2906,Happy_Gauntlet,Happy Gauntlet,4,20,,1000,,3,,1,0xFFFFFFFF,63,2,136,,70,0,0,{ bonus bMdef,3; },{},{}
-2907,Buwaya_Tattoo,Bawaya Agimat Tattoo,4,20,,100,,0,,0,0xFFFFFFFF,63,2,136,,1,0,0,{ bonus bMatkRate,7; bonus bVariableCastrate,-7; },{},{}
+2907,Buwaya_Tattoo,Bawaya Agimat Tattoo,4,20,,100,,0,,0,0xFFFFFFFF,63,2,136,,1,0,0,{ bonus bMatkRate,7; bonus bFixedCastrate,-7; },{},{}
 2908,Light_Ring,Light Ring,4,20,,100,,0,,1,0xFFFFFFFF,63,2,136,,0,0,0,{},{},{}
 2909,Darkness_Ring,Darkness Ring,4,20,,100,,0,,1,0xFFFFFFFF,63,2,136,,0,0,0,{},{},{}
 2910,Bakonawa_Tattoo,Bakunawa Agimat Tattoo,4,20,,100,,0,,0,0xFFFFFFFF,63,2,136,,1,0,0,{ bonus2 bAddClass,Class_All,7; bonus bAspdRate,10; },{},{}