Fixed: [ Issue 80 ] Unnecessary but valid imports are not being resolved
https://code.google.com/p/protobuf-dt/issues/detail?id=80

diff --git a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/validation/ProtobufJavaValidator.java b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/validation/ProtobufJavaValidator.java
index 1238ee7..ce147b0 100644
--- a/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/validation/ProtobufJavaValidator.java
+++ b/com.google.eclipse.protobuf/src/com/google/eclipse/protobuf/validation/ProtobufJavaValidator.java
@@ -49,15 +49,15 @@
   }
 
   @Check public void checkImportIsResolved(Import anImport) {
-    boolean isImported = doCheckImportIsResolved(anImport);
-    if (isImported) return;
+    boolean isResolved = isResolved(anImport);
+    if (isResolved) return;
     uriResolver.apply(anImport);
-    isImported = doCheckImportIsResolved(anImport);
-    if (isImported) return;
+    isResolved = isResolved(anImport);
+    if (isResolved) return;
     error(format(importNotFound, anImport.getImportURI()), IMPORT__IMPORT_URI);
   }
 
-  private boolean doCheckImportIsResolved(Import anImport) {
+  private boolean isResolved(Import anImport) {
     String importUri = anImport.getImportURI();
     if (!isEmpty(importUri)) {
       URI uri = URI.createURI(importUri);