fixed build

anatolse · anatolse · commit 121e840af855 · 2020-12-21T11:09:57.000+03:00
diff --git a/utility/common.h b/utility/common.h
@@ -39,6 +39,7 @@
 #include <stdint.h>
 #include <string.h> // memcmp
 #include <ostream>
+#include <sstream>
 
 #ifdef WIN32
 #	include <winsock2.h>
