build: add the missing includes only a Windows build reports (#16110)

src/libslic3r/AppConfig.cpp

@@ -42,6 +42,9 @@
 #include <boost/uuid/uuid.hpp>
 #include <boost/uuid/uuid_generators.hpp>
 #include <boost/uuid/uuid_io.hpp>
+#include <cassert>
+#include <iterator>
+#include <string_view>
 
 #ifdef WIN32
 //FIXME replace the two following includes with <boost/md5.hpp> after it becomes mainstream.