indent: Update the gst-indent file

This commit is to update the below contents in the 'gst-indent' file.

**Changelog**
 * Fixed typo
 * Declared a default shell script (e.g., bash) with Linux shebang line

Signed-off-by: Geunsik Lim <geunsik.lim@samsung.com>

diff --git a/tools/development/gst-indent b/tools/development/gst-indent
index fdfec72..9375739 100755 (executable)
--- a/tools/development/gst-indent
+++ b/tools/development/gst-indent
@@ -1,6 +1,6 @@
-#!/bin/sh
+#!/usr/bin/env bash
 #
-# Check that the code follows a consistant code style
+# Check that the code follows a consistent code style
 #
 
 # Check for existence of indent, and error out if not present.