removes -L from fetch_preargs

[fkr-ml@…]

'fetch' (used on freebsd to fetch the source) chokes on -L, thus -L is removed if the host runs freebsd.

the patch is here: ​http://www.opendarwin.org/~fkr/patch-portfetch

and here:

Index: src/port1.0/portfetch.tcl =================================================================== RCS file: /Volumes/src/cvs/od/proj/darwinports/base/src/port1.0/portfetch.tcl,v retrieving revision 1.56 diff -r1.56 portfetch.tcl 215a216

# and remove -L from pre_args, since fetch doesn not take -L

217a219

set fetch.pre_args ""