init sockets in main function, otherwise the installer window doesn't work if updates were not checked first

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@1469 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/update_checker.cpp

@@ -142,7 +142,6 @@ void check_updates() {
 }
 
 void check_updates_now(bool async) {
-	wxSocketBase::Initialize();
 	if (async) {
 		CheckUpdateThread* thread = new CheckUpdateThread;
 		thread->Create();