Fix bug in GeneratedBuilder.MergeFrom
diff --git a/src/ProtocolBuffers/GeneratedBuilder.cs b/src/ProtocolBuffers/GeneratedBuilder.cs
index 4f577a7..2005d9e 100644
--- a/src/ProtocolBuffers/GeneratedBuilder.cs
+++ b/src/ProtocolBuffers/GeneratedBuilder.cs
@@ -113,7 +113,7 @@
throw new ArgumentException("Message type mismatch");
}
- foreach (KeyValuePair<FieldDescriptor, object> entry in AllFields) {
+ foreach (KeyValuePair<FieldDescriptor, object> entry in other.AllFields) {
FieldDescriptor field = entry.Key;
if (field.IsRepeated) {
// Concatenate repeated fields