Missing include according to VC19

diff --git a/src/mathed/InsetMathDecoration.cpp b/src/mathed/InsetMathDecoration.cpp
index 35ba155614738d9b9fd8f3e4b0d07bc59ecafc7a..afb8228cb5be316def1b3882f728dfb5e78e75b9 100644 (file)
--- a/src/mathed/InsetMathDecoration.cpp
+++ b/src/mathed/InsetMathDecoration.cpp
@@ -27,6 +27,7 @@
 #include "support/lassert.h"
 #include "support/lstrings.h"
 
+#include <algorithm>
 #include <ostream>
 
 using namespace lyx::support;