cross/init.sh: force use of autoconf 2.69 (required by binutils & gcc)

cross/init.sh

@@ -69,6 +69,8 @@ failOnError $? "fetching sources"
 mkdir -p $WORKING_DIR/build
 rm -f $JEHANNE/hacking/bin/makeinfo
 ln -s `which true` $JEHANNE/hacking/bin/makeinfo # don't depend on texinfo
+ln -s `which autoreconf2.69` $JEHANNE/hacking/bin/autoreconf # use the proper autoreconf version
+ln -s `which autoconf2.69` $JEHANNE/hacking/bin/autoconf # use the proper autoconf version
 mkdir -p $WORKING_DIR/cross
 
 # Patch and build binutils