fix utf8 format for special character symbols

Author: nuclearsilo583

addons/sourcemod/scripting/store_misc_voucher.sp

@@ -152,8 +152,7 @@ public void SQLCallback_Connect(Handle owner, Handle hndl, const char[] error, a
 			//SQL_TQuery(g_hDatabase, SQLCallback_NoError, "ALTER TABLE store_voucher MODIFY COLUMN name_of_redeem varchar(64) NOT NULL DEFAULT ' '");
 			//SQL_TQuery(g_hDatabase, SQLCallback_NoError, "ALTER TABLE store_voucher MODIFY COLUMN steam_of_redeem varchar(64) NOT NULL DEFAULT ' '");
 
-			SQL_TQuery(g_hDatabase, SQLCallback_NoError, "ALTER TABLE `store_voucher` CHANGE COLUMN `name_of_create` `name_of_create` VARCHAR(64) CHARACTER SET 'utf8' NOT NULL DEFAULT ' '");
-			SQL_TQuery(g_hDatabase, SQLCallback_NoError, "ALTER TABLE `store_voucher` CHANGE COLUMN `name_of_redeem` `name_of_redeem` VARCHAR(64) CHARACTER SET 'utf8' NOT NULL DEFAULT ' '");
+			SQL_TQuery(g_hDatabase, SQLCallback_NoError, "ALTER TABLE `store_voucher` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;");
 		}
 		else
 		{
@@ -2138,4 +2137,4 @@ void AdminVoucherItem(int client, DataPack pack, int expire_date)
 	SQL_WriteVoucherAdmin(client, sBuffer, sName, sType, sUniqueID, expire_date);
 
 	delete pack;
-}
+}