declare labpc_cs_boards as extern

diff --git a/comedi/drivers/ni_labpc.h b/comedi/drivers/ni_labpc.h
index 25fc53c68e4236670793038fce18d59655c0f801..d977b23bfda35e0f0baa83aeebe9dd0a09add7ae 100644 (file)
--- a/comedi/drivers/ni_labpc.h
+++ b/comedi/drivers/ni_labpc.h
@@ -74,7 +74,7 @@ typedef struct{
 }labpc_private;
 
 #define NUM_LABPC_CS_BOARDS 2
-labpc_board labpc_cs_boards[NUM_LABPC_CS_BOARDS];
+extern labpc_board labpc_cs_boards[NUM_LABPC_CS_BOARDS];
 
 int labpc_common_attach( comedi_device *dev, unsigned long iobase,
        int irq, int dma );