Update structopt to 0.3.26
Test: cd external/rust/crates && atest --host -c
Change-Id: Iaeee8c2cf42b73912e007f71bdcaeb1db91db18c
diff --git a/examples/example.rs b/examples/example.rs
index 71cc124..4dfd341 100644
--- a/examples/example.rs
+++ b/examples/example.rs
@@ -1,4 +1,27 @@
//! Somewhat complex example of usage of structopt.
+//!
+//! Running this example with --help prints this message:
+//! -----------------------------------------------------
+//! example 0.3.25
+//! An example of StructOpt usage
+//!
+//! USAGE:
+//! example [FLAGS] [OPTIONS] <input> [--] [output]
+//!
+//! FLAGS:
+//! -d, --debug Activate debug mode
+//! -h, --help Prints help information
+//! -V, --version Prints version information
+//!
+//! OPTIONS:
+//! --log <log> Log file, stdout if no file, no logging if not present
+//! --optv <optv>...
+//! -s, --speed <speed> Set speed [default: 42]
+//!
+//! ARGS:
+//! <input> Input file
+//! <output> Output file, stdout if not present
+//! -----------------------------------------------------
use structopt::StructOpt;