Add MAKEFLAGS to sudoers default env_keep

[Vadim Zhukov <persgray@xxxxxxxxx>]

This patch adds MAKEFLAGS to a list of kept environment variables, and
sorts this list. Not a big deal, but sometimes helpful.

-- 
  Best wishes,
    Vadim Zhukov

--- sudoers     Sat Jul 19 21:53:08 2008
+++ sudoers     Sun Jul 27 00:37:31 2008
@@ -16,10 +16,11 @@
 # Cmnd alias specification
 
 # Defaults specification
-Defaults env_keep +="DESTDIR FETCH_CMD FLAVOR FTPMODE GROUP MAKE 
MULTI_PACKAGES"
-Defaults env_keep +="OKAY_FILES OWNER PKG_DBDIR PKG_DESTDIR PKG_CACHE PKG_PATH"
-Defaults env_keep +="PKG_TMPDIR PORTSDIR RELEASEDIR SUBPACKAGE WRKOBJDIR"
-Defaults env_keep +="SSH_AUTH_SOCK EDITOR VISUAL SHARED_ONLY"
+Defaults env_keep +="DESTDIR EDITOR FETCH_CMD FLAVOR FTPMODE GROUP MAKE"
+Defaults env_keep +="MAKEFLAGS MULTI_PACKAGES OKAY_FILES OWNER PKG_CACHE"
+Defaults env_keep +="PKG_DBDIR PKG_DESTDIR PKG_PATH PKG_TMPDIR PORTSDIR"
+Defaults env_keep +="RELEASEDIR SHARED_ONLY SSH_AUTH_SOCK SUBPACKAGE WRKOBJDIR"
+Defaults env_keep +="VISUAL"
 
 # Uncomment to preserve the environment for users in group wheel
 #Defaults:%wheel !env_reset