diff -up ./applets/Makefile.am.orig ./applets/Makefile.am

--- ./applets/Makefile.am.orig	2012-12-28 16:28:35.227777417 +0000

+++ ./applets/Makefile.am	2012-12-28 16:29:16.766058575 +0000

@@ -38,7 +38,7 @@ LDADD = $(LIBMB_LIBS) $(SN_LIBS)

 mb_applet_clock_SOURCES =          mb-applet-clock.c

 mb_applet_menu_launcher_SOURCES =  mb-applet-menu-launcher.c

 mb_applet_wireless_SOURCES =       mb-applet-wireless.c

-mb_applet_wireless_LDADD   =       $(LIBMB_LIBS) $(SN_LIBS) $(WIRELESS_LIBS)

+mb_applet_wireless_LDADD   =       $(LIBMB_LIBS) $(SN_LIBS) $(WIRELESS_LIBS) -lm

 mb_applet_launcher_SOURCES =       mb-applet-launcher.c  

 mb_applet_system_monitor_SOURCES = mb-applet-system-monitor.c 

//empty line