download_prerequisites: Download ISL 0.15 instead of 0.14.

2015-12-06  Tobias Burnus  <burnus@net-b.de>

        * download_prerequisites: Download ISL 0.15 instead of 0.14.

From-SVN: r231329

contrib/ChangeLog

+2015-12-06  Tobias Burnus  <burnus@net-b.de>
+
+	* download_prerequisites: Download ISL 0.15 instead of 0.14.
+
 2015-11-20  Martin Liska  <mliska@suse.cz>
 
 	* clang-format: Split content of a list to multiple

contrib/download_prerequisites

@@ -48,7 +48,7 @@ ln -sf $MPC mpc || exit 1
 
 # Necessary to build GCC with the Graphite loop optimizations.
 if [ "$GRAPHITE_LOOP_OPT" = "yes" ] ; then
-  ISL=isl-0.14
+  ISL=isl-0.15
 
   wget ftp://gcc.gnu.org/pub/gcc/infrastructure/$ISL.tar.bz2 || exit 1
   tar xjf $ISL.tar.bz2  || exit 1