fix some test failures

test/lint.sh

@@ -155,7 +155,7 @@ while IFS= read -r pkg; do
     else
         say_fail "Makefile stows non-existent package: $pkg"
     fi
-done < <(grep -P '^\t' Makefile | grep -oE 'stow [A-Za-z0-9_-]+' | awk '{print $2}' | sort -u)
+done < <(grep -P '^\t' Makefile | grep -E '\bstow\b' | awk '{print $NF}' | sort -u)
 
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