squashfs4: backport an upstream change to fix the file mode check to allow...

squashfs4: backport an upstream change to fix the file mode check to allow setuid/setgid binaries (thx, ermo) - fixes #7653

SVN-Revision: 22334

tools/squashfs4/patches/140-mode_check.patch

+--- a/squashfs-tools/pseudo.c
++++ b/squashfs-tools/pseudo.c
+@@ -374,7 +374,7 @@
+ 	}
+ 
+ 
+-	if(mode > 0777) {
++	if(mode > 07777) {
+ 		ERROR("Mode %o out of range\n", mode);
+ 		goto error;
+ 	}