Add missing include

Fixes issue #11157
hrydgard · Jun 8, 2018 · 79b3f81 · 79b3f81
1 parent d63e044
commit 79b3f81
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ext/native/net/websocket_server.cpp b/ext/native/net/websocket_server.cpp
@@ -1,6 +1,7 @@
 #include <algorithm>
 #include <cassert>
 #include <cctype>
+#include <cmath>
 #include <cstring>
 #ifndef _WIN32
 #include <arpa/inet.h>