Code cleanup.

com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/builder/protoc/command/OutputDirectoryProtocOption.java

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/builder/protoc/command/OutputDirectoryProtocOption.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/builder/protoc/command/OutputDirectoryProtocOption.java
index 3f8b965..0a3ad42 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/builder/protoc/command/OutputDirectoryProtocOption.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/builder/protoc/command/OutputDirectoryProtocOption.java
@@ -14,6 +14,6 @@
 /**
  * @author alruiz@google.com (Alex Ruiz)
  */
-public interface OutputDirectoryProtocOption extends ProtocOption {
+interface OutputDirectoryProtocOption extends ProtocOption {
   IFolder outputDirectory() throws CoreException;
 }