Fix lesstif compilation.

Fix lesstif compilation.

Failed like this:

| /bin/sh ../mipsel-angstrom-linux-libtool --tag=CC   --mode=link mipsel-angstrom-linux-gcc  -isystem/home/grg/oe/tmp/staging/mipsel-angstrom-linux/usr/include -fexpensive-optimizations -frename-registers -fomit-frame-pointer -O2 -ggdb3  -L/home/grg/oe/tmp/staging/mipsel-angstrom-linux/usr/lib -Wl,-rpath-link,/home/grg/oe/tmp/staging/mipsel-angstrom-linux/usr/lib -Wl,-O1 -o man2html man2html.o  -L/home/grg/oe/tmp/staging/mipsel-angstrom-linux/usr/lib -lfreetype -L -lXft -lXrender
| mipsel-angstrom-linux-libtool: link: require no space between `-L' and `-lXft'
| make[2]: *** [man2html] Error 1
| make[2]: Leaving directory `/home/grg/oe/tmp/work/mipsel-angstrom-linux/lesstif-0.95.0-r1/lesstif-0.95.0/scripts'
| make[1]: *** [all-recursive] Error 1
| make[1]: Leaving directory `/home/grg/oe/tmp/work/mipsel-angstrom-linux/lesstif-0.95.0-r1/lesstif-0.95.0/scripts'
| make: *** [all-recursive] Error 1
| FATAL: oe_runmake failed

Signed-off-by: Graham Gower <graham.gower@gmail.com>
Acked-by: Khem Raj <raj.khem@gmail.com>