tcpslice: fix do_install

replace to run "make install" with directly calling install command,
since "make install" asks "bin" user and group, and maybe fail when
system has not;

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>

meta-networking/recipes-support/tcpdump/tcpslice_1.2a3.bb

@@ -29,7 +29,8 @@ do_configure () {
             ac_cv_target=${HOST_SYS}
 }
 
-do_install_prepend () {
+do_install () {
 	mkdir -p ${D}/usr/sbin
+	install -c -m 555 tcpslice ${D}/usr/sbin
 }