no need for sh, run directly (trac https://trac.osgeo.org/grass/ticket/887; merge from devbr6 https://trac.osgeo.org/grass/changeset/40608)

git-svn-id: https://svn.osgeo.org/grass/grass/trunk@40629 15284696-431f-4ddb-bdfa-cd5b030d7da7

lib/db/dbmi_client/start.c

@@ -333,7 +333,7 @@ dbDriver *db_start_driver(const char *name)
 	    _exit(EXIT_FAILURE);
 	}
 
-	execl("/bin/sh", "sh", "-c", startup, NULL);
+	execl(startup, startup, NULL);
 
 	db_syserror("execl");
 	return NULL;		/* to keep lint, et. al. happy */