wireless: replace __FUNCTION__ with __func__

__FUNCTION__ is gcc-specific, use __func__

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-debug.h b/drivers/net/wireless/iwlwifi/iwl-3945-debug.h
index f1d002f..33016fb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-debug.h
@@ -34,12 +34,12 @@
 #define IWL_DEBUG(level, fmt, args...) \
 do { if (iwl3945_debug_level & (level)) \
   printk(KERN_ERR DRV_NAME": %c %s " fmt, \
-	 in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
+	 in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
 
 #define IWL_DEBUG_LIMIT(level, fmt, args...) \
 do { if ((iwl3945_debug_level & (level)) && net_ratelimit()) \
   printk(KERN_ERR DRV_NAME": %c %s " fmt, \
-	 in_interrupt() ? 'I' : 'U', __FUNCTION__ , ## args); } while (0)
+	 in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
 
 static inline void iwl3945_print_hex_dump(int level, void *p, u32 len)
 {