[sys-process/audit] fix patch name

sys-process/audit/audit-2.4.ebuild

@@ -46,7 +46,7 @@ src_prepare() {
 	fi
 
 	# Don't build static version of Python module.
-	epatch "${FILESDIR}"/${PN}-2.4.0-python.patch
+	epatch "${FILESDIR}"/${P}-python.patch
 
 	# glibc/kernel upstreams suck with both defining ia64_fpreg
 	# This patch is a horribly workaround that is only valid as long as you