Fix equals method of DynamicMap.NamePair

Equals was wrongly implemented so that the lookup of functions from
the map failed.

Change-Id: Id996f4eb52e33defb93579eeecb7ef3825e95b3f
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/registration/DynamicMap.java b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/registration/DynamicMap.java
index f114afd..8cac117 100644
--- a/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/registration/DynamicMap.java
+++ b/gerrit-extension-api/src/main/java/com/google/gerrit/extensions/registration/DynamicMap.java
@@ -147,7 +147,7 @@
     public boolean equals(Object other) {
       if (other instanceof NamePair) {
         NamePair np = (NamePair) other;
-        return pluginName.equals(np) && exportName.equals(np);
+        return pluginName.equals(np.pluginName) && exportName.equals(np.exportName);
       }
       return false;
     }