hostapd: fix ap connect log format

Delete the additional trailing space which causes parsing errors
generated by the upper layer.

BUG=b:140907569
TEST=Build and verify the parsing errors are gone when clients
connect and disconnect

Change-Id: I7432bd77782887f51aa1f17ca4dfa69e842ad293
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/hostap/+/2038224
Tested-by: Roy Luo <royluo@google.com>
Reviewed-by: Julan Hsu <julanhsu@google.com>
Reviewed-by: Srinivasa duvvuri <sduvvuri@google.com>
Commit-Queue: Roy Luo <royluo@google.com>
1 file changed