Compilation fix for newer mbed-os

Fork of X_NUCLEO_IDB0XA1 by ST

Revision:
133:1bb8df697f7f
Parent:
132:51056160fa4a
Child:
134:d2f8d5898d04
--- a/x-nucleo-idb0xa1/platform/btle.h	Wed Oct 07 08:39:04 2015 +0200
+++ b/x-nucleo-idb0xa1/platform/btle.h	Wed Oct 07 09:08:22 2015 +0200
@@ -43,6 +43,10 @@
 void User_Process(void);
 void setConnectable(void);
 
+#ifdef YOTTA_CFG
+extern void btle_handler(void);
+#endif
+
 #ifdef __cplusplus
 }
 #endif