Update protobuf to 3.4.1

Author: vladmos

WORKSPACE

@@ -56,14 +56,14 @@ maven_jar(
 
 http_archive(
     name = "com_google_protobuf",
-    urls = ["https://github.com/google/protobuf/archive/b4b0e304be5a68de3d0ee1af9b286f958750f5e4.zip"],
-    strip_prefix = "protobuf-b4b0e304be5a68de3d0ee1af9b286f958750f5e4",
-    sha256 = "ff771a662fb6bd4d3cc209bcccedef3e93980a49f71df1e987f6afa3bcdcba3a",
+    urls = ["https://github.com/google/protobuf/archive/b04e5cba356212e4e8c66c61bbe0c3a20537c5b9.zip"],
+    strip_prefix = "protobuf-b04e5cba356212e4e8c66c61bbe0c3a20537c5b9",
+    sha256 = "cf4a434ac3a83040e9f65be92e153d00d075d8cd25e3f6c6d8670879f5796aa0",
 )
 
 http_archive(
     name = "com_google_protobuf_java",
-    urls = ["https://github.com/google/protobuf/archive/b4b0e304be5a68de3d0ee1af9b286f958750f5e4.zip"],
-    strip_prefix = "protobuf-b4b0e304be5a68de3d0ee1af9b286f958750f5e4",
-    sha256 = "ff771a662fb6bd4d3cc209bcccedef3e93980a49f71df1e987f6afa3bcdcba3a",
+    urls = ["https://github.com/google/protobuf/archive/b04e5cba356212e4e8c66c61bbe0c3a20537c5b9.zip"],
+    strip_prefix = "protobuf-b04e5cba356212e4e8c66c61bbe0c3a20537c5b9",
+    sha256 = "cf4a434ac3a83040e9f65be92e153d00d075d8cd25e3f6c6d8670879f5796aa0",
 )