nfsd: remove unneeded break

Because every path through nfs4_find_file()'s
switch does an explicit return, the break is not needed.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/nfs4state.c

@@ -5723,7 +5723,6 @@ nfs4_find_file(struct nfs4_stid *s, int flags)
 			return find_readable_file(s->sc_file);
 		else
 			return find_writeable_file(s->sc_file);
-		break;
 	}
 
 	return NULL;