/*
 * call-seq:
 *   easy.max_redirects = fixnum or nil               => fixnum or nil
 *
 * Set the maximum number of redirections to follow in the following +perform+
 * calls. Set to nil or -1 allow an infinite number (the default). Setting this
 * option only makes sense if +follow_location+ is also set true.
 *
 * With libcurl >= 7.15.1, setting this to 0 will cause libcurl to refuse any
 * redirect.
 */
static VALUE ruby_curl_easy_max_redirects_set(VALUE self, VALUE max_redirs) {