add missing header

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@55384 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/db/dbmi_driver/driver.c

@@ -19,6 +19,7 @@
 #include <sys/stat.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <fcntl.h>
 #include <grass/gis.h>
 #include <grass/dbmi.h>
 #include "procs.h"