Fix view identity key QR code action.

res/layout/view_identity_activity.xml

@@ -32,7 +32,7 @@
                     android:padding="5dip"
                     android:layout_width="100dip"
                     android:layout_height="wrap_content"
-                    android:text="Compare" />
+                    android:text="QR Code" />
 
             <Button android:id="@+id/ok_button"
                     android:layout_margin="10dip"

src/org/thoughtcrime/securesms/ViewIdentityActivity.java

@@ -16,13 +16,13 @@
  */
 package org.thoughtcrime.securesms;
 
-import org.thoughtcrime.securesms.crypto.IdentityKey;
-
 import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 import android.widget.TextView;
 
+import org.thoughtcrime.securesms.crypto.IdentityKey;
+
 /**
  * Activity for displaying an identity key.
  *
@@ -67,8 +67,7 @@ public class ViewIdentityActivity extends KeyScanningActivity {
 
   private class CompareListener implements View.OnClickListener {
     public void onClick(View v) {
-      registerForContextMenu(compareButton);
-      compareButton.showContextMenu();
+      initiateDisplay();
     }
   }