promisor-remote.h: include missing header

Denton-L · gitster · commit b06fdead04b8 · 2019-09-28T14:04:19.000+09:00
When we ran `make hdr-check`, we got the following warning message:

	promisor-remote.h:21:46: warning: declaration of 'struct repository' will not be visible outside of this function [-Wvisibility]
	extern int promisor_remote_get_direct(struct repository *repo,
						     ^
	1 warning generated.

This was caused by a missing reference to `struct repository`, which is
defined in "repository.h".

Include this missing header to fix this warning.

Signed-off-by: Denton Liu &lt;liu.denton@gmail.com&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/promisor-remote.h b/promisor-remote.h
@@ -1,6 +1,8 @@
 #ifndef PROMISOR_REMOTE_H
 #define PROMISOR_REMOTE_H
 
+#include "repository.h"
+
 struct object_id;
 
 /*
