1 files changed, 5 insertions, 2 deletions
diff --git a/src/memline.h b/src/memline.h
index c6aa757c8d..e7636fdc7d 100644
--- a/src/memline.h
+++ b/src/memline.h
@@ -1,6 +1,9 @@
 #ifndef NEOVIM_MEMLINE_H
 #define NEOVIM_MEMLINE_H
-/* memline.c */
+
+#include "types.h"
+#include "func_attr.h"
+
 int ml_open(buf_T *buf);
 void ml_set_crypt_key(buf_T *buf, char_u *old_key, int old_cm);
 void ml_setname(buf_T *buf);
@@ -35,7 +38,7 @@ char_u *makeswapname(char_u *fname, char_u *ffname, buf_T *buf,
 char_u *get_file_in_dir(char_u *fname, char_u *dname);
 void ml_setflags(buf_T *buf);
 char_u *ml_encrypt_data(memfile_T *mfp, char_u *data, off_t offset,
-                        unsigned size);
+                        unsigned size) FUNC_ATTR_NONNULL_RET;
 void ml_decrypt_data(memfile_T *mfp, char_u *data, off_t offset,
                      unsigned size);
 long ml_find_line_or_offset(buf_T *buf, linenr_T lnum, long *offp);