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-rw-r--r--gr-qtgui/src/lib/WaterfallDisplayPlot.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gr-qtgui/src/lib/WaterfallDisplayPlot.h b/gr-qtgui/src/lib/WaterfallDisplayPlot.h
index a5ccaec40..8bd990f2a 100644
--- a/gr-qtgui/src/lib/WaterfallDisplayPlot.h
+++ b/gr-qtgui/src/lib/WaterfallDisplayPlot.h
@@ -1,6 +1,7 @@
#ifndef WATERFALL_DISPLAY_PLOT_HPP
#define WATERFALL_DISPLAY_PLOT_HPP
+#include <stdint.h>
#include <cstdio>
#include <qwt_plot.h>
#include <qwt_plot_zoomer.h>