ols: Add missing 'extern'.

diff --git a/hardware/openbench-logic-sniffer/protocol.c b/hardware/openbench-logic-sniffer/protocol.c
index 813c5083167d764b714b8b051b2704cb5ef3c812..a438bb8bb318a5fc9504e9c3d0e7b4f5a7923d3a 100644 (file)
--- a/hardware/openbench-logic-sniffer/protocol.c
+++ b/hardware/openbench-logic-sniffer/protocol.c
@@ -19,7 +19,7 @@
 
 #include "protocol.h"
 
-SR_PRIV struct sr_dev_driver ols_driver_info;
+extern SR_PRIV struct sr_dev_driver ols_driver_info;
 static struct sr_dev_driver *di = &ols_driver_info;
 
 SR_PRIV int send_shortcommand(struct sr_serial_dev_inst *serial,