Remove extra trailing spaces from the result file

storage/tokudb/mysql-test/tokudb_mariadb/r/mdev12972.result

 CREATE TABLE t1 (pk INT PRIMARY KEY, i1 INT, c1 VARCHAR(1), KEY(c1)) ENGINE=TokuDB;
-INSERT INTO t1 VALUES 
+INSERT INTO t1 VALUES
 (1,2,NULL),(2,5,'x'),(3,3,'i'),(4,1,'e'),(5,4,'p');
 CREATE TABLE t2 (i2 INT) ENGINE=TokuDB;
 INSERT INTO t2 VALUES (1),(2);
 CREATE TABLE t3 (i3 INT, c3 VARCHAR(1), KEY(i3)) ENGINE=TokuDB;
-INSERT INTO t3 VALUES 
+INSERT INTO t3 VALUES
 (1,'e'),(1,'z'),(1,'i'),(1,'q'),(1,'i'),(1,'f'),(1,'m'),(2,'c'),(1,'d'),
 (2,'n'),(1,'t'),(2,'e'),(1,'w'),(2,'y'),(1,'j'),(2,'i'),(1,'f'),(2,'f'),
 (1,'s'),(2,'y');