several small fixes for mathed

[lyx.git] / src / mathed / math_diffinset.C

diff --git a/src/mathed/math_diffinset.C b/src/mathed/math_diffinset.C
index 0af81f9c032c473389af6df115dd87b1ec7a17bf..3d32081793a735a3b3a6936d4138a08ac3b38d9b 100644 (file)
--- a/src/mathed/math_diffinset.C
+++ b/src/mathed/math_diffinset.C
@@ -11,6 +11,7 @@
 #include <config.h>
 
 #include "math_diffinset.h"
+#include "math_data.h"
 #include "math_mathmlstream.h"
 #include "debug.h"