Minor changes.

com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/editor/hyperlinking/ProtobufHyperlinkDetector.java

diff --git a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/editor/hyperlinking/ProtobufHyperlinkDetector.java b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/editor/hyperlinking/ProtobufHyperlinkDetector.java
index 237a017..9bfe90a 100644
--- a/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/editor/hyperlinking/ProtobufHyperlinkDetector.java
+++ b/com.google.eclipse.protobuf.ui/src/com/google/eclipse/protobuf/ui/editor/hyperlinking/ProtobufHyperlinkDetector.java
@@ -60,7 +60,11 @@
         EObject resolved = eObjectAtOffsetHelper.resolveElementAt(resource, region.getOffset());
         if (!(resolved instanceof Import)) return NO_HYPERLINKS;
         Import anImport = (Import) resolved;
-        if (imports.isImportingProtoDescriptor(anImport)) return NO_HYPERLINKS;
+        if (imports.isImportingProtoDescriptor(anImport)) {
+          // TODO add support for opening descriptor.proto from plug-in
+          // Look into NonExistingFileEditorInput
+          return NO_HYPERLINKS;
+        }
         IRegion importUriRegion;
         try {
           importUriRegion = importUriRegion(document, region.getOffset());