vsprintf: fix pointer style

Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

Author: ojeda

lib/vsprintf.c

@@ -2271,7 +2271,7 @@ int __init no_hash_pointers_enable(char *str)
 early_param("no_hash_pointers", no_hash_pointers_enable);
 
 /* Used for Rust formatting ('%pA'). */
-char *rust_fmt_argument(char* buf, char* end, void *ptr);
+char *rust_fmt_argument(char *buf, char *end, void *ptr);
 
 /*
  * Show a '%p' thing.  A kernel extension is that the '%p' is followed