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-rw-r--r--src/PreviewOutputImage.H2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/PreviewOutputImage.H b/src/PreviewOutputImage.H
index 8b41684..cbd55a6 100644
--- a/src/PreviewOutputImage.H
+++ b/src/PreviewOutputImage.H
@@ -29,7 +29,7 @@ class PreviewOutputImage : OutputImage , public Fl_Widget {
protected:
int init_internal(int w, int h);
- int set_pixel_internal(int x, char r, char g, char b);
+ int set_pixel_internal(int x, int r, int g, int b);
int next_line_internal();