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-rw-r--r--engines/glk/windows.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/engines/glk/windows.h b/engines/glk/windows.h
index 9cab07acf9..1974b3e4a4 100644
--- a/engines/glk/windows.h
+++ b/engines/glk/windows.h
@@ -74,6 +74,11 @@ public:
iterator &operator++();
/**
+ * Move to previous
+ */
+ iterator &operator--();
+
+ /**
* Equality test
*/
bool operator==(const iterator &i) {