build: Fix LOG_TAG define breakage, macro usage

Fixes build breakages related to r.android.com/156982

Change-Id: Ib1143c41fe05a17c296226998afdb41a8cb6294a
diff --git a/main/bte_main.c b/main/bte_main.c
index 43dcf8b..f165f52 100644
--- a/main/bte_main.c
+++ b/main/bte_main.c
@@ -24,6 +24,8 @@
  *
  ******************************************************************************/
 
+#define LOG_TAG "bt_main"
+
 #include <assert.h>
 #include <fcntl.h>
 #include <pthread.h>
@@ -58,8 +60,6 @@
 **  Constants & Macros
 *******************************************************************************/
 
-#define LOG_TAG "bt_main"
-
 /* Run-time configuration file for BLE*/
 #ifndef BTE_BLE_STACK_CONF_FILE
 #define BTE_BLE_STACK_CONF_FILE "/etc/bluetooth/ble_stack.conf"