Rust: Accept changes to the dataflow/sources test as well.

Author: geoffw0

rust/ql/test/library-tests/dataflow/sources/TaintSources.expected

@@ -20,4 +20,4 @@
 | test.rs:75:26:75:37 | ...::get | Flow source 'RemoteSource' of type remote (DEFAULT). |
 | test.rs:78:24:78:35 | ...::get | Flow source 'RemoteSource' of type remote (DEFAULT). |
 | test.rs:108:31:108:42 | send_request | Flow source 'RemoteSource' of type remote (DEFAULT). |
-| test.rs:193:16:193:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs. |
+| test.rs:192:16:192:29 | ...::args | Flow source 'CommandLineArgs' of type commandargs. |