configure: update script headers
The libvpx build system was influenced by the clever design of the
FFmpeg configure script. Say so in the script header, and provide a
little introduction.
Change-Id: I4d134c77f9032d1dde72b852b444e98676b85326
diff --git a/build/make/configure.sh b/build/make/configure.sh
index 26c6af0..1f4f24d 100755
--- a/build/make/configure.sh
+++ b/build/make/configure.sh
@@ -1,13 +1,13 @@
#!/bin/bash
##
-## Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+## configure.sh
##
-## Use of this source code is governed by a BSD-style license and patent
-## grant that can be found in the LICENSE file in the root of the source
-## tree. All contributing project authors may be found in the AUTHORS
-## file in the root of the source tree.
+## This script is sourced by the main configure script and contains
+## utility functions and other common bits that aren't strictly libvpx
+## related.
##
-
+## This build system is based in part on the FFmpeg configure script.
+##
#
