internal/wire: copy over anonymous imports (#101)

Adds Kumbirai Tanekha to A+C.

Fixes #94

internal/wire/testdata/PkgImport/anon1/anon1.go

@@ -0,0 +1,15 @@
+// Copyright 2018 The Wire Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package anon1

internal/wire/testdata/PkgImport/anon2/anon2.go

@@ -0,0 +1,15 @@
+// Copyright 2018 The Wire Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package anon2

internal/wire/testdata/PkgImport/foo/wire.go

@@ -17,6 +17,8 @@
 package main
 
 import (
+	_ "example.com/anon1"
+	_ "example.com/anon2"
 	"github.com/google/wire"
 )
 

internal/wire/testdata/PkgImport/want/wire_gen.go

@@ -9,6 +9,11 @@ import (
 	"example.com/bar"
 )
 
+import (
+	_ "example.com/anon1"
+	_ "example.com/anon2"
+)
+
 // Injectors from wire.go:
 
 func injectFooBar() FooBar {