patch 9.0.1930: compiler warnings with clang-17
Problem: compiler warnings with clang-17
Solution: Fix function prototypes and function pointer
fix: clang compilation warnings with -Wstrict-prototypes
Change fixes this kind of compilation warnings with clang:
```
proto/if_python3.pro:13:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
13 | int python3_version();
| ^
| void
```
closes: #13166
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Dominique Pellé <dominique.pelle@tomtom.com>
diff --git a/src/proto/if_python3.pro b/src/proto/if_python3.pro
index d2bcd8c..0e139b9 100644
--- a/src/proto/if_python3.pro
+++ b/src/proto/if_python3.pro
@@ -10,5 +10,5 @@
void python3_tabpage_free(tabpage_T *tab);
void do_py3eval(char_u *str, typval_T *rettv);
int set_ref_in_python3(int copyID);
-int python3_version();
+int python3_version(void);
/* vim: set ft=c : */