Remove GNU-ism from test.sh
@@ -7,7 +7,7 @@ test -x $PREFIX/bin/createSCLang
test -x $PREFIX/bin/createSCLin
test -x $PREFIX/bin/createSCLinStep
-VERSION=$($PREFIX/bin/cadet-cli --version | grep -Po '\d+.\d+.\d+' | head -n1)
+VERSION=$($PREFIX/bin/cadet-cli --version | grep -oE '[0-9]+\.[0-9]+\.[0-9]+')
test -f $PREFIX/lib/libcadet.so.$VERSION
test -L $PREFIX/lib/libcadet.so
