Fix mistake in ERR_peek_error_all documentation.
The `func` parameter was incorrect. It was documented as `const char *func`
instead of `const char **func`.
CLA: trivial
@@ -31,7 +31,7 @@ ERR_get_error_line_data, ERR_peek_error_line_data, ERR_peek_last_error_line_data
const char **func,
const char **data, int *flags);
unsigned long ERR_peek_error_all(const char **file, int *line,
- const char *func,
+ const char **func,
const char **data, int *flags);
unsigned long ERR_peek_last_error_all(const char **file, int *line,
const char *func,
