event/ServerSocket: make OnAccept() noexcept

src/event/ServerSocket.hxx

@@ -122,7 +122,7 @@ public:
 
 protected:
 	virtual void OnAccept(UniqueSocketDescriptor fd,
-			      SocketAddress address, int uid) = 0;
+			      SocketAddress address, int uid) noexcept = 0;
 };
 
 #endif

src/output/plugins/httpd/HttpdInternal.hxx

@@ -261,7 +261,7 @@ private:
 	void OnDeferredBroadcast() noexcept;
 
 	void OnAccept(UniqueSocketDescriptor fd,
-		      SocketAddress address, int uid) override;
+		      SocketAddress address, int uid) noexcept override;
 };
 
 extern const class Domain httpd_output_domain;

src/output/plugins/httpd/HttpdOutputPlugin.cxx

@@ -130,7 +130,7 @@ HttpdOutput::OnDeferredBroadcast() noexcept
 
 void
 HttpdOutput::OnAccept(UniqueSocketDescriptor fd,
-		      SocketAddress address, gcc_unused int uid)
+		      SocketAddress address, gcc_unused int uid) noexcept
 {
 	/* the listener socket has become readable - a client has
 	   connected */