remove whitespace on otherwise empty line

5_queries.sql

@@ -91,7 +91,7 @@ BEGIN;
 ALTER TABLE Angestellter
 ADD CONSTRAINT check_Salaer
    CHECK (Salaer between 1000 and 20000);
-   
+
 UPDATE angestellter SET salaer=30000 where persnr = 1100;
 select * from angestellter WHERE persnr = 1100;