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-rw-r--r--src/crypt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypt.c b/src/crypt.c
index b4b48c8cc8..a66c0043a7 100644
--- a/src/crypt.c
+++ b/src/crypt.c
@@ -40,7 +40,7 @@ typedef struct {
int whole_undofile; // whole undo file is encrypted
// Optional function pointer for a self-test.
- int (* self_test_fn)();
+ int (* self_test_fn)(void);
// Function pointer for initializing encryption/decryption.
int (* init_fn)(cryptstate_T *state, char_u *key,