goprotobuf: Fix parsing of repeated enum fields.

R=r
CC=golang-dev
http://codereview.appspot.com/5239052
diff --git a/proto/text_parser.go b/proto/text_parser.go
index f78adf5..714c803 100644
--- a/proto/text_parser.go
+++ b/proto/text_parser.go
@@ -369,7 +369,7 @@
 
 		// Read one.
 		p.back()
-		return p.readAny(fv.Index(flen), nil) // TODO: pass properties?
+		return p.readAny(fv.Index(flen), props)
 	case reflect.Bool:
 		// Either "true", "false", 1 or 0.
 		switch tok.value {