Update error annotations in ui-fulldeps tests that successfully compile

Author: tmiasko

src/test/ui-fulldeps/lint-group-plugin.rs

@@ -3,7 +3,7 @@
 // ignore-stage1
 
 #![feature(plugin)]
-#![plugin(lint_group_plugin_test)]
+#![plugin(lint_group_plugin_test)] //~ WARNING use of deprecated attribute
 #![allow(dead_code)]
 
 fn lintme() { } //~ WARNING item is named 'lintme'

src/test/ui-fulldeps/lint-plugin.rs

@@ -2,7 +2,7 @@
 // aux-build:lint-plugin-test.rs
 // ignore-stage1
 #![feature(plugin)]
-#![plugin(lint_plugin_test)]
+#![plugin(lint_plugin_test)] //~ WARNING use of deprecated attribute
 #![allow(dead_code)]
 
 fn lintme() { } //~ WARNING item is named 'lintme'