[PATCH] convert quota.h to bsd 3 clause

For some reason, quota.h was derrived from BSD 4 clause code.  Thankfully,
UCB gave permission to remove the advert clause a couple of years ago, so
it's now okay for us to actually distribute this code.  The following patch
updates the header in quota.h.

include/linux/quota.h

@@ -13,11 +13,7 @@
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *   This product includes software developed by the University of
- *   California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *