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-rw-r--r--plugingui/pixelbuffer.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/plugingui/pixelbuffer.h b/plugingui/pixelbuffer.h
index 762aaa6..b9096c9 100644
--- a/plugingui/pixelbuffer.h
+++ b/plugingui/pixelbuffer.h
@@ -76,7 +76,7 @@ public:
unsigned char* red,
unsigned char* green,
unsigned char* blue,
- unsigned char* alpha);
+ unsigned char* alpha) const;
bool managed{false};
unsigned char* buf{nullptr};