io_check_*()/io_file_exist(): Fix signatures

This was broken in commit 87fb8cfec0d8e8fc901746095458bd316314b6ee. Fix
function signatures and update all invocations accordingly.

Signed-off-by: Lukas Fleischer <calcurse@cryptocrack.de>

1 files changed, 3 insertions, 3 deletions

diff --git a/src/calcurse.h b/src/calcurse.h
index 041b865..0feefcc 100644
--- a/src/calcurse.h
+++ b/src/calcurse.h
@@ -754,9 +754,9 @@ void io_save_cal(enum save_display);
 void io_load_app(void);
 void io_load_todo(void);
 void io_load_keys(const char *);
-void io_check_dir(char *, int *);
-unsigned io_file_exist(char *);
-void io_check_file(char *, int *);
+int io_check_dir(const char *);
+unsigned io_file_exist(const char *);
+int io_check_file(const char *);
 int io_check_data_files(void);
 void io_startup_screen(int);
 void io_export_data(enum export_type);