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-rw-r--r--qt-ui/globe.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/qt-ui/globe.h b/qt-ui/globe.h
index 903b9f89c..1791e0ff3 100644
--- a/qt-ui/globe.h
+++ b/qt-ui/globe.h
@@ -74,4 +74,7 @@ slots:
};
#endif // NO_MARBLE
+
+extern "C" double getDistance(int lat1, int lon1, int lat2, int lon2);
+
#endif // GLOBE_H