fix incorrect capacity calc

Author: JadedBlueEyes

Diff for: src/core/config/mod.rs

@@ -1860,7 +1860,7 @@ impl Config {
 		let mut addrs = Vec::with_capacity(
 			self.get_bind_hosts()
 				.len()
-				.saturating_add(self.get_bind_ports().len()),
+				.saturating_mul(self.get_bind_ports().len()),
 		);
 		for host in &self.get_bind_hosts() {
 			for port in &self.get_bind_ports() {