Compilation fix for newer mbed-os

Fork of X_NUCLEO_IDB0XA1 by ST

Branch:
e9fb3e390284c3f7ef8e1d21cc55deef7558ca3d
Revision:
264:1e754a01869e
Parent:
219:d8e8cd4d4521
Child:
273:00205952d841
diff -r f4d217cadbde -r 1e754a01869e x-nucleo-idb0xa1/platform/btle.h
--- a/x-nucleo-idb0xa1/platform/btle.h	Thu Sep 15 10:51:17 2016 +0100
+++ b/x-nucleo-idb0xa1/platform/btle.h	Thu Sep 15 10:51:26 2016 +0100
@@ -49,13 +49,12 @@
                               uint16_t scan_window,
                               uint8_t own_address_type);
 
-#ifdef AST_FOR_MBED_OS
+
 extern int btle_handler_pending;
 extern void btle_handler(void);
-#endif
 
 #ifdef __cplusplus
 }
 #endif
 
-#endif
+#endif
\ No newline at end of file