Incorrect reference in Gentoo back end

[Dave Shanker <dshanker gmail com>]

One liner to fix Incorrect path to killall (/usr/bin/killall instead
of /usr/sbin/killall).

--- NetworkManagerGentoo.c	2005-10-20 21:42:56.000000000 -0400
+++ NetworkManagerGentoo.c	2005-10-10 14:00:59.000000000 -0400
@@ -232,7 +232,7 @@
 	if (nm_spawn_process ("/etc/init.d/nscd status") == 0)
 		nm_spawn_process ("/etc/init.d/nscd restart");
  #else
-	nm_spawn_process("/usr/bin/killall -q nscd");
+	nm_spawn_process("/usr/sbin/killall -q nscd");
  #endif	
 }