[PATCH] fix checkstack.pl arch detection

[Eric Sandeen <sandeen@redhat.com>]

uname -m was leaving a newline in $arch, and not passing the tests.

Also, printing the unknown arch on failure is probably helpful.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

Index: linux-2.6.25/scripts/checkstack.pl
===================================================================
--- linux-2.6.25.orig/scripts/checkstack.pl	2008-05-02 12:17:59.000000000 -0500
+++ linux-2.6.25/scripts/checkstack.pl	2008-05-02 12:18:15.426407528 -0500
@@ -32,6 +32,7 @@ my (@stack, $re, $x, $xs);
 	my $arch = shift;
 	if ($arch eq "") {
 		$arch = `uname -m`;
+		chomp($arch);
 	}
 
 	$x	= "[0-9a-f]";	# hex character
@@ -85,7 +86,7 @@ my (@stack, $re, $x, $xs);
 		#   0:   00 e8 38 01     LINK 0x4e0;
 		$re = qr/.*[[:space:]]LINK[[:space:]]*(0x$x{1,8})/o;
 	} else {
-		print("wrong or unknown architecture\n");
+		print("wrong or unknown architecture \"$arch\"\n");
 		exit
 	}
 }