abuild: add postcheck for -openrc subpackage

abuild.in

@@ -671,6 +671,11 @@ postcheck() {
 		error "Found /usr/lib/charset.alias"
 		return 1
 	fi
+	# look for /etc/init.d and /etc/conf.d
+	if [ -e "$dir"/etc/init.d -o -e "$dir"/etc/conf.d ] \
+			&& ! is_openrc_pkg "$name"; then
+		warning "Found OpenRC directory (/etc/conf.d or /etc/init.d) but name doesn't end with -openrc"
+	fi
 	# look for /usr/share/doc
 	if [ -e "$dir"/usr/share/doc ] \
 			&& ! is_doc_pkg "$name"; then
@@ -1072,6 +1077,11 @@ is_doc_pkg() {
 	test "${1%-doc}" != "$1"
 }
 
+# returns true if this is the -openrc package
+is_openrc_pkg() {
+	test "${1%-openrc}" != "$1"
+}
+
 # check that noarch is set if needed
 archcheck() {
 	options_has "!archcheck" && return 0