[PATCH] Add libzip to MacPorts dependencies

[subsurface at henrik.synth.no]

From: Henrik Brautaset Aronsen <subsurface at henrik.synth.no>

This adds support for SDE imports.  The website documentation should
be updated as well.

Signed-off-by: Henrik Brautaset Aronsen <subsurface at henrik.synth.no>
---
 README | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README b/README
index 7b3d352..589c0d4 100644
--- a/README
+++ b/README
@@ -90,7 +90,7 @@ Building subsurface on a Mac
 ----------------------------
 Install MacPorts and install the dependencies from MacPorts:
 sudo port install gtk2 +quartz py27-pygtk +quartz libusb gtk-osx-application \
-     automake autoconf libtool libsoup osm-gps-map
+     automake autoconf libtool libsoup osm-gps-map libzip
 
 Install libdivecomputer:
 git clone git://libdivecomputer.git.sourceforge.net/gitroot/libdivecomputer/libdivecomputer
-- 
1.8.1.3