rcuscale: Save a few lines with whitespace-only change

This whitespace-only commit fuses a few lines of code, taking advantage
of the newish 100-character-per-line limit to save a few lines of code.

Signed-off-by: "Paul E. McKenney" <paulmck@kernel.org>
Signed-off-by: Neeraj Upadhyay <neeraj.upadhyay@kernel.org>