Fix rpm /usr/share/doc conflict.

Author: fboender

Makefile

@@ -92,6 +92,7 @@ release_rpm: release_check clean release_deb
 	sed -i '\:%dir "/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec
 	sed -i '\:%dir "/usr/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec
 	sed -i '\:%dir "/usr/share/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec
+	sed -i '\:%dir "/usr/share/doc/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec
 	sed -i '\:%dir "/usr/share/man/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec
 	sed -i '\:%dir "/usr/share/man/man1/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec
 	sed -i '\:%dir "/usr/lib/":d' $(PROG)-$(REL_VERSION)/$(PROG)-$(REL_VERSION)-2.spec