[ECOS] Patch for configure script

[Chuck McManis]

The following patch (cvs diff configure) applied to
    host/tools/configtool/standalone/common/configure
    host/libcdl/configure

Gets us through the configure step on FreeBSD if you set the both 
--with-tcl to /usr/local and --with-tcl-versio=8.x (depending on version 
installed)

--Chuck


Index: configure
===================================================================
RCS file: /cvs/ecos/ecos/host/tools/configtool/standalone/common/configure,v
retrieving revision 1.9
diff -r1.9 configure
2031a2032,2034
 >               if test "${with_tcl_version+set}" = set ; then
 >               ecos_tcl_incdir="${TCL_PREFIX}/include/tcl${with_tcl_version}"
 >               else
2032a2036
 >               fi


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