qcow: Add a utility program for qcow analysis

This program makes figuring out the state of a qcow file easier.

Change-Id: If297eb0cd835a86d8f284d3aef3d7e962e095726
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1207455
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
diff --git a/Cargo.lock b/Cargo.lock
index 086a9f3..8cd8374 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -322,8 +322,10 @@
 name = "qcow_utils"
 version = "0.1.0"
 dependencies = [
+ "getopts 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "qcow 0.1.0",
+ "sys_util 0.1.0",
 ]
 
 [[package]]