windows: Remove unused variable
Found by inspection.
Acked-by: Ilya Maximets
# License for the specific language governing permissions and limitations
# under the License.
-PTHREAD_TEMP_DIR=`echo "$(PTHREAD_LDFLAGS)" | sed 's|^.\(.*\).$:\1||'`
windows_installer: all
#Userspace files needed for the installer
cp -f $(top_srcdir)/datapath-windows/misc/OVS.psm1 windows/ovs-windows-installer/Services/OVS.psm1
