style fixup: remote trailing whitespace from our source lines

Since Eclipse is now configured to strip trailing whitespace from a
line when saving a source file, we fix up any older source file that
still has trailing whitespace on the end of a line.

Change-Id: Ifa03d4b69f28536c6773702eb79b49fb16844ed1
Signed-off-by: Shawn O. Pearce <sop@google.com>
29 files changed