Move refdb_backend to include/git2/sys

This moves most of the refdb stuff over to the include/git2/sys
directory, with some minor shifts in function organization.

While I was making the necessary updates, I also removed the
trailing whitespace in a few files that I modified just because I
was there and it was bugging me.

2 files changed, 15 insertions, 17 deletions

diff --git a/include/git2/refdb.h b/include/git2/refdb.h
index 0e3ec5eaf..9278b1116 100644
--- a/include/git2/refdb.h
+++ b/include/git2/refdb.h
@@ -81,20 +81,6 @@ GIT_EXTERN(int) git_refdb_compress(git_refdb *refdb);
  */
 GIT_EXTERN(void) git_refdb_free(git_refdb *refdb);
 
-/**
- * Sets the custom backend to an existing reference DB
- *
- * Read <refdb_backends.h> for more information.
- *
- * @param refdb database to add the backend to
- * @param backend pointer to a git_refdb_backend instance
- * @param priority Value for ordering the backends queue
- * @return 0 on success; error code otherwise
- */
-GIT_EXTERN(int) git_refdb_set_backend(
-	git_refdb *refdb,
-	git_refdb_backend *backend);
-
 /** @} */
 GIT_END_DECL
 
diff --git a/include/git2/refdb_backend.h b/include/git2/sys/refdb_backend.h
index 20eb6a9dd..dcdf7bcb8 100644
--- a/include/git2/refdb_backend.h
+++ b/include/git2/sys/refdb_backend.h
@@ -7,9 +7,9 @@
 #ifndef INCLUDE_git_refdb_backend_h__
 #define INCLUDE_git_refdb_backend_h__
 
-#include "common.h"
-#include "types.h"
-#include "oid.h"
+#include "git2/common.h"
+#include "git2/types.h"
+#include "git2/oid.h"
 
 /**
  * @file git2/refdb_backend.h
@@ -103,6 +103,18 @@ GIT_EXTERN(int) git_refdb_backend_fs(
 	struct git_refdb_backend **backend_out,
 	git_repository *repo);
 
+/**
+ * Sets the custom backend to an existing reference DB
+ *
+ * @param refdb database to add the backend to
+ * @param backend pointer to a git_refdb_backend instance
+ * @param priority Value for ordering the backends queue
+ * @return 0 on success; error code otherwise
+ */
+GIT_EXTERN(int) git_refdb_set_backend(
+	git_refdb *refdb,
+	git_refdb_backend *backend);
+
 GIT_END_DECL
 
 #endif