force false positive

Signed-off-by: Ivan Valdes <[email protected]>

tools/rw-heatmaps/pkg/chart/heatmap_grid.go

@@ -75,7 +75,7 @@ func (h *heatMapGrid) Dims() (int, int) {
 
 // Z returns the value of a grid cell at (c, r).
 // It implements the plotter.GridXYZ interface.
-func (h *heatMapGrid) Z(c, r int) float64 {
+func (hg *heatMapGrid) Z(c, r int) float64 {
 	return h.z[r][c]
 }