Stop profiling on exec.

Obtained from: NetBSD

sys/kern/kern_exec.c

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: kern_exec.c,v 1.98 1999/04/19 14:14:09 peter Exp $
+ *	$Id: kern_exec.c,v 1.99 1999/04/27 11:15:55 phk Exp $
  */
 
 #include <sys/param.h>
@@ -229,6 +229,9 @@ interpret:
 		p->p_fd = tmp;
 	}
 
+	/* Stop profiling */
+	stopprofclock(p);
+
 	/* close files on exec */
 	fdcloseexec(p);