AT NVR writes now again correctly set NMI mask;

If no VM path is specified or the specified VM path is relative, it is now converted to absolute using exe_path;
Fixed saving path for screenshots when using the DirectDraw renderer.

src/win/win_video.c

@@ -306,7 +306,7 @@ take_screenshot(void)
 		break;
 #else
 	case 0:		/* ddraw */
-		wcsftime(path, 128, L"%Y%m%d_%H%M%S.bmp", info);
+		wcsftime(fn, 128, L"%Y%m%d_%H%M%S.bmp", info);
 		wcscat(path, fn);
 		ddraw_take_screenshot(path);
 		break;