notices: fix a spelling error

(but don't push it to the languages, as this requires refreshing
the template and merging all the languages.)

src/etc/inc/notices.smtp.inc

@@ -95,7 +95,7 @@ class smtp_class
 		{
 			if(feof($this->connection))
 			{
-				$this->error=gettext("reached the end of data while reading from the SMTP server conection");
+				$this->error=gettext("reached the end of data while reading from the SMTP server connection");
 				return("");
 			}
 			if(GetType($data=@fgets($this->connection,100))!="string"