[PATCH e2fsprogs] libblkid: detect squashfs

[Eric Sandeen <sandeen@redhat.com>]

libblkid: recognize squashfs filesystems

squashfs has no uuid or labels, so all we need is the magic.

Addresses-Red-Hat-Bugzilla: #305151
    
Signed-off-by: Eric Sandeen <sandeen@redhat.com>

Index: e2fsprogs-1.40.2/lib/blkid/probe.c
===================================================================
--- e2fsprogs-1.40.2.orig/lib/blkid/probe.c
+++ e2fsprogs-1.40.2/lib/blkid/probe.c
@@ -898,6 +898,7 @@ static struct blkid_magic type_array[] =
   { "ocfs2",	 4,	 0,  6,	"OCFSV2",		probe_ocfs2 },
   { "ocfs2",	 8,	 0,  6,	"OCFSV2",		probe_ocfs2 },
   { "crypt_LUKS", 0,	 0,  6,	"LUKS\xba\xbe",		probe_luks },
+  { "squashfs",	 0,	 0,  4,	"hsqs",			0 },
   {   NULL,	 0,	 0,  0, NULL,			NULL }
 };