android: Set action when using TrustedCertificatesActivity to select a certificate

src/frontends/android/src/org/strongswan/android/ui/TrustedCertificatesActivity.java

@@ -31,6 +31,8 @@ import android.view.MenuItem;
 
 public class TrustedCertificatesActivity extends Activity implements TrustedCertificateListFragment.OnTrustedCertificateSelectedListener
 {
+	public static final String SELECT_CERTIFICATE = "org.strongswan.android.action.SELECT_CERTIFICATE";
+
 	@Override
 	public void onCreate(Bundle savedInstanceState)
 	{

src/frontends/android/src/org/strongswan/android/ui/VpnProfileDetailActivity.java

@@ -147,6 +147,7 @@ public class VpnProfileDetailActivity extends Activity
 			public void onClick(View v)
 			{
 				Intent intent = new Intent(VpnProfileDetailActivity.this, TrustedCertificatesActivity.class);
+				intent.setAction(TrustedCertificatesActivity.SELECT_CERTIFICATE);
 				startActivityForResult(intent, SELECT_TRUSTED_CERTIFICATE);
 			}
 		});