Make the dos installer work with more compilers.
diff --git a/src/uninstal.c b/src/uninstal.c
index 04481ee..b18a326 100644
--- a/src/uninstal.c
+++ b/src/uninstal.c
@@ -438,7 +438,7 @@
 	(void)getchar();
     }
     else
-	Sleep(3000);
+	sleep(3);
 
     return 0;
 }