Add lint declaration for field_reassign_with_default

Author: Henri Lunnikivi

clippy_lints/src/field_reassign_with_default.rs

@@ -0,0 +1,12 @@
+use rustc::lint::{EarlyLintPass, LintArray, LintPass};
+use rustc::{declare_lint_pass, declare_tool_lint};
+
+declare_clippy_lint! {
+    pub FIELD_REASSIGN_WITH_DEFAULT,
+    pedantic,
+    "instance initialized with Default should have its fields set in the initializer"
+}
+
+declare_lint_pass!(FieldReassignWithDefault => [FIELD_REASSIGN_WITH_DEFAULT]);
+
+impl EarlyLintPass for FieldReassignWithDefault {}