Bug#639430: lintian: indicate .changes supported

[Michael Gilbert <michael.s.gilbert@gmail.com>]

package: lintian
version: 2.5.2
severity: minor
tag: patch

Attached is a patch that slightly clarifies one of lintian's error
messages.

Best wishes,
Mike

--- frontend/lintian.orig	2011-08-27 02:37:53.000000000 -0400
+++ frontend/lintian	2011-08-27 02:38:06.000000000 -0400
@@ -886,7 +886,7 @@
 	if ($arg =~ m/\.(?:u?deb|dsc|changes)$/o){
 	    $pool->add_file($arg);
 	} else {
-	    fail("bad package file name $arg (neither .deb, .udeb or .dsc file)");
+	    fail("bad package file name $arg (neither .deb, .udeb, .changes, or .dsc file)");
 	}
     } else {
 	# parameter is a package name--so look it up