libevent: fix unused var warning

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/libevent.nit b/lib/libevent.nit
index 525915c..a4bef17 100644 (file)
--- a/lib/libevent.nit
+++ b/lib/libevent.nit
@@ -154,7 +154,7 @@ class Connection
        # Write a string to the connection
        fun write(str: String)
        do
-               var res = native_buffer_event.write(str.to_cstring, str.length)
+               native_buffer_event.write(str.to_cstring, str.length)
        end
 
        # Write a file to the connection