wireshark: apply wireshark group to /usr/bin/dumpcap

srcpkgs/wireshark/INSTALL

@@ -1,6 +1,6 @@
 case "${ACTION}" in
 post)
-	chown wireshark usr/bin/dumpcap
+	chgrp wireshark usr/bin/dumpcap
 	/usr/sbin/setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip' usr/bin/dumpcap
 	cat <<_EOF
 =================================================================

srcpkgs/wireshark/template

@@ -1,7 +1,7 @@
 # Template file for 'wireshark'
 pkgname=wireshark
 version=1.10.6
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args=" --with-ssl \
  --with-pcap \
@@ -45,6 +45,8 @@ post_install() {
 		vmkdir $_includeDir/$i
 		vcopy "$i/*.h" $_includeDir/$i
 	done
+
+	chmod +754 $DESTDIR/usr/bin/dumpcap
 }
 
 libwireshark_package() {