fix the lifecycle reference in the states listing

In PR opencontainers#1008 3 new steps in the lifecycle were added and the referencing of the states to the corresponding lifecycle step was not adjusted. Corrected based on Tag v1.0.0-rc6.

Signed-off-by: Pascal Theml <pascal@familie-theml.de>

runtime.md

@@ -18,8 +18,8 @@ The state of a container includes the following properties:
 
  * `creating`: the container is being created (step 2 in the [lifecycle](#lifecycle))
  * `created`: the runtime has finished the [create operation](#create) (after step 2 in the [lifecycle](#lifecycle)), and the container process has neither exited nor executed the user-specified program
- * `running`: the container process has executed the user-specified program but has not exited (after step 5 in the [lifecycle](#lifecycle))
- * `stopped`: the container process has exited (step 7 in the [lifecycle](#lifecycle))
+ * `running`: the container process has executed the user-specified program but has not exited (after step 8 in the [lifecycle](#lifecycle))
+ * `stopped`: the container process has exited (step 10 in the [lifecycle](#lifecycle))
 
  Additional values MAY be defined by the runtime, however, they MUST be used to represent new runtime states not defined above.
 * **`pid`** (int, REQUIRED when `status` is `created` or `running` on Linux, OPTIONAL on other platforms) is the ID of the container process.