Fix last references to deprecated git_buf_free

Signed-off-by: Sven Strickroth <email@cs-ware.de>

include/git2/blob.h

@@ -105,7 +105,7 @@ GIT_EXTERN(git_off_t) git_blob_rawsize(const git_blob *blob);
  * attributes set for the blob and the content detected in it.
  *
  * The output is written into a `git_buf` which the caller must free
- * when done (via `git_buf_free`).
+ * when done (via `git_buf_dispose`).
  *
  * If no filters need to be applied, then the `out` buffer will just
  * be populated with a pointer to the raw content of the blob.  In

include/git2/buffer.h

@@ -25,7 +25,7 @@ GIT_BEGIN_DECL
  * caller and have the caller take responsibility for freeing that memory.
  * This can be awkward if the caller does not have easy access to the same
  * allocation functions that libgit2 is using.  In those cases, libgit2
- * will fill in a `git_buf` and the caller can use `git_buf_free()` to
+ * will fill in a `git_buf` and the caller can use `git_buf_dispose()` to
  * release it when they are done.
  *
  * A `git_buf` may also be used for the caller to pass in a reference to

src/buffer.h

@@ -76,7 +76,7 @@ extern char *git_buf_detach(git_buf *buf);
 extern int git_buf_attach(git_buf *buf, char *ptr, size_t asize);
 
 /* Populates a `git_buf` where the contents are not "owned" by the
- * buffer, and calls to `git_buf_free` will not free the given buf.
+ * buffer, and calls to `git_buf_dispose` will not free the given buf.
  */
 extern void git_buf_attach_notowned(
 	git_buf *buf, const char *ptr, size_t size);

tests/stash/save.c

@@ -227,7 +227,7 @@ void test_stash_save__untracked_regression(void)
 
 	git_reference_free(head);
 	git_commit_free(head_commit);
-	git_buf_free(&untracked_dir);
+	git_buf_dispose(&untracked_dir);
 }
 
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