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-rw-r--r--src/OutputImage.H2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/OutputImage.H b/src/OutputImage.H
index 9be72c5..7c9f0fd 100644
--- a/src/OutputImage.H
+++ b/src/OutputImage.H
@@ -15,7 +15,7 @@ class OutputImage {
public:
OutputImage();
- ~OutputImage();
+ virtual ~OutputImage();
virtual int init(int w1, int h1);