Regenerate the WKT to pick up current changes to the proto files.
diff --git a/objectivec/google/protobuf/Duration.pbobjc.m b/objectivec/google/protobuf/Duration.pbobjc.m
index bb79c7a..7dd6b64 100644
--- a/objectivec/google/protobuf/Duration.pbobjc.m
+++ b/objectivec/google/protobuf/Duration.pbobjc.m
@@ -5,6 +5,9 @@
#import "google/protobuf/Duration.pbobjc.h"
// @@protoc_insertion_point(imports)
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+
#pragma mark - GPBDurationRoot
@implementation GPBDurationRoot
@@ -80,4 +83,6 @@
@end
+#pragma clang diagnostic pop
+
// @@protoc_insertion_point(global_scope)
