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

diff --git a/src/mathed/math_envinset.C b/src/mathed/math_envinset.C
index c5f768bf5fa900e50c4998bf9b76f2579346868b..2f10a1c5df4abca9168758a8afe124f386b5f4cb 100644 (file)
--- a/src/mathed/math_envinset.C
+++ b/src/mathed/math_envinset.C
@@ -11,10 +11,13 @@
 #include <config.h>
 
 #include "math_envinset.h"
+#include "math_data.h"
 #include "math_mathmlstream.h"
 #include "math_streamstr.h"
 #include "support/std_ostream.h"
 
+
+using std::string;
 using std::auto_ptr;