resolved user.rb conflict

db/migrate.sql

@@ -46,3 +46,6 @@ alter table users add column within_lon double default 2;
 alter table users add column within_lat double default 2;
 
 create table messages (id bigint not null auto_increment, user_id bigint(20) not null,  from_user_id bigint(20) not null, title varchar(255), body text, sent_on datetime, message_read boolean default 0, primary key(id));
+
+create table friends (id bigint not null auto_increment, user_id bigint(20) not null, friend_user_id(20) not null, primary key(id));
+create index user_id_idx on friends(friend_user_id);