fixed the build-error introduced by one of the last commits (libremap#2)

* fixed the build-error introduced by one of the last commits

* rename the babel plugin to babeld because babeld is the correct nomenclature

Author: egon0

libremap-agent/Makefile

@@ -74,7 +74,7 @@ $(eval $(call BuildPlugin,location,location,))
 $(eval $(call BuildPlugin,olsr,olsr,))
 $(eval $(call BuildPlugin,system,system,))
 $(eval $(call BuildPlugin,wireless,wireless,))
-$(eval $(call BuildPlugin,babel,babel,))
+$(eval $(call BuildPlugin,babeld,babeld,))
 $(eval $(call BuildPlugin,bmx6,bmx6,))
 $(eval $(call BuildPlugin,qmp,qmp,))