Correct spelling errors in error messages

Fixed spelling errors in error messages on server.go and listener.go files. The word "initalize" has been corrected to "initialize" in both files.

listener.go

@@ -54,7 +54,7 @@ func NewListener(c *Config) (net.Listener, error) {
 		return nil, fmt.Errorf("failed to initialize listener: unknown listener type in config")
 	}
 	if lerr != nil {
-		return nil, fmt.Errorf("failed to initalize listener: %w", lerr)
+		return nil, fmt.Errorf("failed to initialize listener: %w", lerr)
 	}
 	return l, nil
 }

server.go

@@ -57,7 +57,7 @@ func (s *Server) Run() error {
 	}
 	p, err := parsesyslog.New(s.conf.internal.ParserType)
 	if err != nil {
-		return fmt.Errorf("failed to initalize syslog parser: %w", err)
+		return fmt.Errorf("failed to initialize syslog parser: %w", err)
 	}
 	s.parser = p
 	return s.RunWithListener(l)