Attempt to fix #8137 (arrived at r40862).

[lyx.git] / src / mathed / MathData.cpp

diff --git a/src/mathed/MathData.cpp b/src/mathed/MathData.cpp
index a4a11bb1361514ba830750d97c7e6827c1782c2a..8fcf7466e34c825cfbe07f7badab5ca09befa1ee 100644 (file)
--- a/src/mathed/MathData.cpp
+++ b/src/mathed/MathData.cpp
@@ -28,6 +28,8 @@
 #include "CoordCache.h"
 #include "Cursor.h"
 
+#include "mathed/InsetMathUnknown.h"
+
 #include "support/debug.h"
 #include "support/docstream.h"