--- /usr/portage/media-sound/mpg321/mpg321-0.3.1-r1.ebuild	2015-03-31 16:01:13.000000000 -0400
+++ /usr/local/portage/media-sound/mpg321/mpg321-0.3.1-r1.ebuild	2015-08-08 11:24:07.000000000 -0400
@@ -25,6 +25,7 @@
 
 src_prepare() {
 	epatch "${FILESDIR}"/${PN}-0.2.12-check-for-lround.patch
+	epatch "${FILESDIR}"/${PN}-0.3.1-format-security.patch
 	eautoreconf
 }