Fix problem with reloading config of new devices with same card/device numbers.

Bug 16981885

Change-Id: I65c6c418ee0d0f42c87379b614f64302d27f8e77
diff --git a/modules/usbaudio/alsa_device_proxy.c b/modules/usbaudio/alsa_device_proxy.c
index b887d1d..63a27e7 100644
--- a/modules/usbaudio/alsa_device_proxy.c
+++ b/modules/usbaudio/alsa_device_proxy.c
@@ -48,7 +48,7 @@
 
     proxy->profile = profile;
 
-#if LOG_PCM_PARAMS
+#ifdef LOG_PCM_PARAMS
     log_pcm_config(config, "proxy_setup()");
 #endif