staging: wlags49_h2: wl_profile.h: fixes C99 // comment

This commit converts a C99 // comment to /* */. The checkpatch.pl
tool reports that this file has no further styling issues.

Signed-off-by: Johan Meiring <johanmeiring@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>