missed changes to Makefiles for container/ring

R=rsc
DELTA=3  (3 added, 0 deleted, 0 changed)
OCL=32389
CL=32392

src/pkg/Make.deps

@@ -6,6 +6,7 @@ bytes.install: os.install utf8.install
 compress/flate.install: bufio.install io.install os.install strconv.install
 compress/gzip.install: bufio.install compress/flate.install hash.install hash/crc32.install io.install os.install
 container/list.install:
+container/ring.install:
 container/vector.install:
 crypto/aes.install: os.install strconv.install
 crypto/block.install: fmt.install io.install os.install strconv.install

src/pkg/Makefile

@@ -20,6 +20,7 @@ DIRS=\
 	compress/flate\
 	compress/gzip\
 	container/list\
+	container/ring\
 	container/vector\
 	crypto/aes\
 	crypto/block\
@@ -79,6 +80,7 @@ TEST=\
 	compress/flate\
 	compress/gzip\
 	container/list\
+	container/ring\
 	container/vector\
 	crypto/aes\
 	crypto/block\