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-rw-r--r--src/sparkline.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/sparkline.h b/src/sparkline.h
index 28fce1e4c..6025d2b98 100644
--- a/src/sparkline.h
+++ b/src/sparkline.h
@@ -51,6 +51,6 @@ struct sequence *createSparklineSequence(void);
void sparklineSequenceAddSample(struct sequence *seq, double value, char *label);
void freeSparklineSequence(struct sequence *seq);
sds sparklineRenderRange(sds output, struct sequence *seq, int rows, int offset, int len, int flags);
-sds sparklineRender(struct sequence *seq, int columns, int rows, int flags);
+sds sparklineRender(sds output, struct sequence *seq, int columns, int rows, int flags);
#endif /* __SPARKLINE_H */