Update to last repository version

GuillaumeGomez · GuillaumeGomez · commit de8b429420dc · 2018-02-17T16:31:07.000+01:00
diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example
@@ -1 +1 @@
-Subproject commit 919980be7df4ea7d45a9dca8efc34da89bcf7d6b
+Subproject commit ebb28c95b2ea68b96eddb9e71aff4d32eacc74f0
