update build command

Author: particlebanana

.travis.yml

@@ -9,7 +9,7 @@ services:
 env:
   - DB_USER=mp DB_PASS='mp'
 before_script:
-  - mysql -e 'create database mppg;' -U root
+  - mysql -e 'create database mppg;'
   - mysql -e "create user 'mp'@'localhost' with identified with 'mp';"
   - mysql -e "grant all privileges on * . * to 'mp'@'localhost';"
   - mysql -e "flush privileges;"