fix(controller.go): add necessary import

arschles · Aaron Schlesinger · commit 8d2aba00ff61 · 2016-01-13T10:15:24.000-08:00
diff --git a/pkg/gitreceive/controller.go b/pkg/gitreceive/controller.go
@@ -2,6 +2,7 @@ package gitreceive
 
 import (
 	"errors"
+	"fmt"
 	"strings"
 )
 
