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-rw-r--r--core/apps/calibrate/calibrate.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/core/apps/calibrate/calibrate.cpp b/core/apps/calibrate/calibrate.cpp
index 1f4fb1b..b9ad73d 100644
--- a/core/apps/calibrate/calibrate.cpp
+++ b/core/apps/calibrate/calibrate.cpp
@@ -18,6 +18,8 @@
**
**********************************************************************/
+#include <math.h>
+
#include "calibrate.h"
#include <qpe/resource.h>