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-rw-r--r--engines/hugo/display.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/engines/hugo/display.h b/engines/hugo/display.h
index e152a7f868..99fda0a638 100644
--- a/engines/hugo/display.h
+++ b/engines/hugo/display.h
@@ -30,6 +30,11 @@
#ifndef HUGO_DISPLAY_H
#define HUGO_DISPLAY_H
+namespace Common {
+class ReadStream;
+class WriteStream;
+}
+
namespace Hugo {
enum OverlayState {kOvlUndef, kOvlForeground, kOvlBackground}; // Overlay state