implemented formating string error for each engine

svn-id: r6744

1 files changed, 1 insertions, 1 deletions

diff --git a/sky/sky.h b/sky/sky.h
index 135d62c29a..eeb50bbdce 100644
--- a/sky/sky.h
+++ b/sky/sky.h
@@ -27,7 +27,7 @@
 #include "common/util.h"
 
 class SkyState : public Engine {
-
+	void errorString(const char *buf_input, char *buf_output);
 protected:
 	byte _game;
 	bool _isCDVersion;