docs: move comment so docurium sees it
diff --git a/include/git2/types.h b/include/git2/types.h
index b593e75..67e5bd1 100644
--- a/include/git2/types.h
+++ b/include/git2/types.h
@@ -425,9 +425,9 @@ typedef enum {
GIT_SUBMODULE_RECURSE_ONDEMAND = 2,
} git_submodule_recurse_t;
-/** A type to write in a streaming fashion, for example, for filters. */
typedef struct git_writestream git_writestream;
+/** A type to write in a streaming fashion, for example, for filters. */
struct git_writestream {
int (*write)(git_writestream *stream, const char *buffer, size_t len);
int (*close)(git_writestream *stream);