Adjusting stream buffer size to 64KB 64K is optimal buffer size per https://technet.microsoft.com/en-us/library/cc938632.aspx
diff --git a/src/filter.c b/src/filter.c
index 8bd7f4d..a38a54a 100644
--- a/src/filter.c
+++ b/src/filter.c
@@ -875,7 +875,7 @@ void stream_list_free(git_vector *streams)
git_vector_free(streams);
}
-#define STREAM_BUFSIZE 10240
+#define STREAM_BUFSIZE 65536
int git_filter_list_stream_file(
git_filter_list *filters,