minor fix

diff --git a/src/analyze/gui/chartwidget.cpp b/src/analyze/gui/chartwidget.cpp
index 1d2948502db33aa6f50cd353e9f9c72203e4e301..0d2e5bd6dd061e23931d1c3e5303767beacb1779 100644 (file)
--- a/src/analyze/gui/chartwidget.cpp
+++ b/src/analyze/gui/chartwidget.cpp
@@ -36,6 +36,7 @@
 #include <KChartLegend>
 #elif defined(QWT_FOUND)
 #include <algorithm>
+#include <math.h>
 #include <QAction>
 #include <QContextMenuEvent>
 #include <QMenu>