patch 9.0.1336: functions without arguments are not always declared properly
Problem: Functions without arguments are not always declared properly.
Solution: Use "(void)" instead of "()". (Yegappan Lakshmanan, closes #12031)
diff --git a/src/proto/filepath.pro b/src/proto/filepath.pro
index 2970e50..fd8de80 100644
--- a/src/proto/filepath.pro
+++ b/src/proto/filepath.pro
@@ -1,11 +1,11 @@
/* filepath.c */
int modify_fname(char_u *src, int tilde_file, int *usedlen, char_u **fnamep, char_u **bufp, int *fnamelen);
void shorten_dir(char_u *str);
+int file_is_readable(char_u *fname);
void f_chdir(typval_T *argvars, typval_T *rettv);
void f_delete(typval_T *argvars, typval_T *rettv);
void f_executable(typval_T *argvars, typval_T *rettv);
void f_exepath(typval_T *argvars, typval_T *rettv);
-int file_is_readable(char_u *fname);
void f_filereadable(typval_T *argvars, typval_T *rettv);
void f_filewritable(typval_T *argvars, typval_T *rettv);
void f_finddir(typval_T *argvars, typval_T *rettv);