rename hook.c to kevent.c

git-svn-id: svn://svn.code.sf.net/p/libkqueue/code/trunk@189 fb4e3144-bc1c-4b72-a658-5bcd248dd7f7

config.inc

@@ -55,6 +55,6 @@ post_configure_hook() {
       fi
     fi      
 
-    sources="$sources src/$target/hook.c src/$target/eventfd.c $evfilt_signal $evfilt_proc 
+    sources="$sources src/$target/kevent.c src/$target/eventfd.c $evfilt_signal $evfilt_proc 
              $evfilt_socket $evfilt_timer $evfilt_user $evfilt_vnode"
 }