newer debian makefiles don't like us generating our control dynamically

Author: mcnewton

debian/rules

@@ -16,7 +16,11 @@ export DH_VERBOSE=1
 # Enable hardening options
 export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 DPKG_EXPORT_BUILDFLAGS = 1
+
+ifneq "$(MAKECMDGOALS)" "debian/control"
 include /usr/share/dpkg/default.mk
+endif
+
 CFLAGS += $(CPPFLAGS)