add errno.h to fix Mac compilation

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57639 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/sckaddr.cpp b/src/common/sckaddr.cpp
index ab3c0cdee80e3983f3dddcf6a005fa8d22157308..a988fca1a24de98831362380965136cb4bc10846 100644 (file)
--- a/src/common/sckaddr.cpp
+++ b/src/common/sckaddr.cpp
@@ -47,6 +47,7 @@
 #include "wx/private/sckaddr.h"
 
 #ifdef __UNIX__
+    #include <errno.h>
     #include <netdb.h>
     #include <arpa/inet.h>
 #endif // __UNIX__