libps: Silence a warning

GCC was complaining about the mismatch in types between the 'fn' pointer
and the function pointers assigned to it. Since fn is meant to be used
with different function types, represent it as a 'void *' and not a
pointer to any particular function type.
Message-Id: <20230508213136.608575-13-bugaevc@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/libps/ps.h b/libps/ps.h
index 192847b5..3e59c66a 100644
--- a/libps/ps.h
+++ b/libps/ps.h
@@ -535,7 +535,7 @@ struct ps_getter
 
     /* A function that will get the value; the protocol between this function
        and its caller is type-dependent.  */
-    void (*fn) (void);
+    void *fn;
   };
 
 /* Access macros: */