Pass version from d/rules (Closes: #968585)

debian/rules

@@ -4,11 +4,16 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
+include /usr/share/dpkg/pkg-info.mk
+
 override_dh_auto_test:
 	# tests are failing for now and the pacakge vendors many libraries
 
 override_dh_auto_install:
 	dh_auto_install -- --no-source
 
+override_dh_auto_build:
+	dh_auto_build -- -ldflags "-X main.Version=$(DEB_VERSION)"
+
 %:
 	dh $@ --buildsystem=golang --with=golang,bash-completion