[GFS2] Remove bogus '\0' in rgrp.c

Not sure how it slipped in, but we don't want it anyway.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/rgrp.c

@@ -444,7 +444,6 @@ static int compute_bitstructs(struct gfs2_rgrpd *rgd)
 }
 
 /**
-
  * gfs2_ri_total - Total up the file system space, according to the rindex.
  *
  */