SQL: some minor fixes

datapack_development/sql/helper_buff_list.sql

@@ -1,3 +1,4 @@
+DROP TABLE IF EXISTS `helper_buff_list`;
 #----------------------------
 # Table structure for helper_buff_list
 #----------------------------

datapack_development/sql/updates/20060412.sql

@@ -1,4 +1,4 @@
-ALTER TABLE `seven_signs`
+ALTER TABLE `seven_signs`
 CHANGE COLUMN `red_stones` `dawn_red_stones` INT(10) NOT NULL DEFAULT 0,
 CHANGE COLUMN `green_stones` `dawn_green_stones` INT(10) NOT NULL DEFAULT 0,
 CHANGE COLUMN `blue_stones` `dawn_blue_stones` INT(10) NOT NULL DEFAULT 0,