bootstrap-centos.sh: Bump sbcl version to 2.2.5

Close #956

Author: df7cb

bootstrap-centos.sh

@@ -1,15 +1,17 @@
 #!/usr/bin/env bash
 
+SBCL_VERSION=2.2.5
+
 sudo yum -y install yum-utils rpmdevtools @"Development Tools" \
                     sqlite-devel zlib-devel
 
 # SBCL 1.3, we'll overwrite the repo version of sbcl with a more recent one
 sudo yum -y install epel-release
 sudo yum install -y sbcl.x86_64 --enablerepo=epel
 
-wget http://downloads.sourceforge.net/project/sbcl/sbcl/1.3.6/sbcl-1.3.6-source.tar.bz2
-tar xfj sbcl-1.3.6-source.tar.bz2
-cd sbcl-1.3.6
+wget http://downloads.sourceforge.net/project/sbcl/sbcl/$SBCL_VERSION/sbcl-$SBCL_VERSION-source.tar.bz2
+tar xfj sbcl-$SBCL_VERSION-source.tar.bz2
+cd sbcl-$SBCL_VERSION
 ./make.sh --with-sb-thread --with-sb-core-compression --prefix=/usr > /dev/null 2>&1
 sudo sh install.sh
 cd