[openwrt/openwrt] tools/isl: update the download URL

[LEDE Commits]

rsalvaterra pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/dd0ad9b661b604163d1736fcfe18714ff47c3728

commit dd0ad9b661b604163d1736fcfe18714ff47c3728
Author: Rui Salvaterra <rsalvaterra at gmail.com>
AuthorDate: Thu Oct 21 20:09:49 2021 +0100

    tools/isl: update the download URL
    
    isl.gforge.inria.fr has been dead since early this month [1]. Switch to
    libisl.sourceforge.io for the time being.
    
    [1] https://groups.google.com/g/isl-development/c/JGaMo2VUu_8
    
    Signed-off-by: Rui Salvaterra <rsalvaterra at gmail.com>
---
 tools/isl/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/isl/Makefile b/tools/isl/Makefile
index be372fe2a8..32c3cda9a2 100644
--- a/tools/isl/Makefile
+++ b/tools/isl/Makefile
@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=isl
 PKG_VERSION:=0.24
 
-PKG_SOURCE_URL:=http://isl.gforge.inria.fr
+PKG_SOURCE_URL:=https://libisl.sourceforge.io/
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_HASH:=043105cc544f416b48736fff8caf077fb0663a717d06b1113f16e391ac99ebad