fix formatting

Author: unp1

key.core.testgen/src/main/java/de/uka/ilkd/key/testgen/ReflectionClassCreator.java

@@ -101,7 +101,7 @@ private TypeSpec.Builder classDecl(boolean staticClass) {
                     * actual Java class. Futhermore, this class also enables to create an object of
                     * any class even if it has no default constructor. To create objects the
                     * the objenesis library is required and must be provided when compiling and
-                    * executing the test suite. 
+                    * executing the test suite.
                     * @see http://docs.oracle.com/javase/tutorial/reflect/member/ctorInstance.html
                     * @see http://code.google.com/p/objenesis
                     * @see http://objenesis.org/