This patch fixes the following compile error with CONFIG_NET_RADIO=n and
CONFIG_IEEE80211=y:
  LD      .tmp_vmlinux1
net/built-in.o: In function `ieee80211_rx':
: undefined reference to `wireless_spy_update'
make: *** [.tmp_vmlinux1] Error 1
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
        /* Put this code here so that we avoid duplicating it in all
         * Rx paths. - Jean II */
 #ifdef IW_WIRELESS_SPY         /* defined in iw_handler.h */
+#ifdef CONFIG_NET_RADIO
        /* If spy monitoring on */
        if (ieee->spy_data.spy_number > 0) {
                struct iw_quality wstats;
                /* Update spy records */
                wireless_spy_update(ieee->dev, hdr->addr2, &wstats);
        }
+#endif                         /* CONFIG_NET_RADIO */
 #endif                         /* IW_WIRELESS_SPY */
 
 #ifdef NOT_YET