[LyX/master] Fix oversight in autotools packaging selection

[Richard Heck]

commit 5ff8a01cb610b58f5c3c84f7e65440b0a001b5f6
Author: Jean-Marc Lasgouttes <lasgout...@lyx.org>
Date:   Thu Mar 27 13:51:25 2014 +0100

    Fix oversight in autotools packaging selection
    
    The only consequence of this thinko is that the lyx.desktop and the svg 
icons were installed on Mac OS and Windows platform, whereas they are useless.

diff --git a/config/lyxinclude.m4 b/config/lyxinclude.m4
index d1b78f9..61ea48d 100644
--- a/config/lyxinclude.m4
+++ b/config/lyxinclude.m4
@@ -463,6 +463,7 @@ AC_ARG_WITH(packaging,
                   *) lyx_use_packaging=posix;;
   esac])
 AC_MSG_RESULT($lyx_use_packaging)
+lyx_install_posix=false
 lyx_install_macosx=false
 lyx_install_cygwin=false
 lyx_install_windows=false