Merge branch 'tb/test-lint-sed-options'

The test lint learned to catch non-portable "sed" options.

* tb/test-lint-sed-options:
  test-lint: only use only sed [-n] [-e command] [-f command_file]

t/check-non-portable-shell.pl

@@ -36,7 +36,7 @@ while (<>) {
 	}
 	/\bcp\s+-a/ and err 'cp -a is not portable';
-	/\bsed\s+-i/ and err 'sed -i is not portable';
+	/\bsed\s+-[^efn]\s+/ and err 'sed option not portable (use only -n, -e, -f)';
 	/\becho\s+-[neE]/ and err 'echo with option is not portable (use printf)';
 	/^\s*declare\s+/ and err 'arrays/declare not portable';
 	/^\s*[^#]\s*which\s/ and err 'which is not portable (use type)';