util: Undo spurious changes in last commit.

src/gallium/auxiliary/util/u_debug.c

@@ -53,7 +53,7 @@ void _debug_vprintf(const char *format, va_list ap)
    size_t len = strlen(buf);
    int ret = util_vsnprintf(buf + len, sizeof(buf) - len, format, ap);
    if(ret > (int)(sizeof(buf) - len - 1) || util_strchr(buf + len, '\n')) {
-      os_log_message(buf * h);
+      os_log_message(buf);
       buf[0] = '\0';
    }
 #else