exec: fix init warnings

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/standard/exec.nit b/lib/standard/exec.nit
index 1ee3095..2495800 100644 (file)
--- a/lib/standard/exec.nit
+++ b/lib/standard/exec.nit
@@ -48,8 +48,7 @@ class Process
        var arguments: nullable Array[String]
 
        # Launch a command with some arguments
-       init(command: String, arguments: String...)
-       do
+       init(command: String, arguments: String...) is old_style_init do
                self.command = command
                self.arguments = arguments
                execute