tree 7e1a78912a0a86544cab0829d48363c68fc0f4c5
parent 29c8ae2dcedd956c67308c66914a7a7d55b8f9ea
author Tycho Andersen <tycho@tycho.ws> 1548799546 -0700
committer Paul E. McKenney <paulmck@linux.ibm.com> 1549051675 -0800

doc: Repair some whitespace damage

A diagram in whatisRCU.txt has space character before tabs.  This commit
therefore makes this diagram consistent with elsewhere in the document:
Use one leading tab, followed by spaces for any additional whitespace
required.

Signed-off-by: Tycho Andersen <tycho@tycho.ws>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>