Correct license text for LGPL.

Signed-off-by: Daira Hopwood <daira@jacaranda.org>

contrib/debian/copyright

@@ -1049,19 +1049,17 @@ License: ISC
  SOFTWARE.
 
 License: LGPL
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
+ GNU LESSER GENERAL PUBLIC LICENSE
+ Version 3, 29 June 2007
+ .
+ On Debian systems the GNU Lesser General Public License (LGPL) is
+ located in '/usr/share/common-licenses/LGPL'.
  .
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 Comment:
- On Debian systems the GNU Lesser General Public License (LGPL) is
- located in '/usr/share/common-licenses/LGPL'.
- .
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.