diff -uNr OpenTTD-1.9.1/src/3rdparty/squirrel/squirrel/sqvm.cpp OpenTTD-1.9.1.mod/src/3rdparty/squirrel/squirrel/sqvm.cpp
--- OpenTTD-1.9.1/src/3rdparty/squirrel/squirrel/sqvm.cpp	2019-04-08 22:37:59.000000000 +0300
+++ OpenTTD-1.9.1.mod/src/3rdparty/squirrel/squirrel/sqvm.cpp	2019-06-30 00:08:31.019272864 +0300
@@ -6,7 +6,10 @@
 
 #include <squirrel.h>
 #include "sqpcheader.h"
+#pragma push_macro("type")
+#undef type
 #include <math.h>
+#pragma pop_macro("type")
 #include "sqopcodes.h"
 #include "sqfuncproto.h"
 #include "sqvm.h"
