Fix gnss close timeout.

Change-Id: I567d84056e248643f28388fc00b9967e4f650c81
diff --git a/mbtk/mbtk_gnssd/gnss_hd8122.h b/mbtk/mbtk_gnssd/gnss_hd8122.h
index b9d73b9..4cd4f46 100755
--- a/mbtk/mbtk_gnssd/gnss_hd8122.h
+++ b/mbtk/mbtk_gnssd/gnss_hd8122.h
@@ -110,7 +110,7 @@
 
 int gnss_8122_dev_open();
 
-int gnss_8122_dev_close();
+int gnss_8122_dev_close(int fd);
 
 int gnss_8122_open();