Don't use threading with chaiscript

deps/premake/chaiscript.lua

@@ -4,6 +4,10 @@ chaiscript = {
 
 function chaiscript.import()
 	chaiscript.includes()
+
+	defines {
+		"CHAISCRIPT_NO_THREADS" -- :(
+	}
 end
 
 function chaiscript.includes()

src/std_include.hpp

@@ -18,6 +18,7 @@
 #include <corecrt_io.h>
 #include <fcntl.h>
 #include <shellapi.h>
+#include <csetjmp>
 
 // min and max is required by gdi, therefore NOMINMAX won't work
 #ifdef max