Add F_SETLK, F_GETLK stub on fcntl

Reviewed-by: Nadav Har'El <nyh@cloudius-systems.com>
Signed-off-by: Takuya ASADA <syuu@cloudius-systems.com>
Signed-off-by: Pekka Enberg <penberg@cloudius-systems.com>

fs/vfs/main.cc

@@ -1163,6 +1163,12 @@ int fcntl(int fd, int cmd, int arg)
         tmp = fp->f_flags & FASYNC;
         fp->ioctl(FIOASYNC, &tmp);
 
+        break;
+    case F_SETLK:
+        WARN_ONCE("fcntl(F_SETLK) stubbed\n");
+        break;
+    case F_GETLK:
+        WARN_ONCE("fcntl(F_GETLK) stubbed\n");
         break;
     default:
         kprintf("unsupported fcntl cmd 0x%x\n", cmd);