argument: Fix help output spacing

Some of the help text lines are missing spaces between words. This
commit makes the formatting more consistent such that spaces are always
placed at the end of lines that do not contain a newline character. Now
we have the correct spacing in the help output.

Change-Id: I01d3f25c95f178afd02263ccc05c664a72bd479d
Signed-off-by: William A. Kennington III <wak@google.com>
1 file changed