net-fs/nfs-utils: restore inline patch

I dropped it as ${P} is usually a hint that a patch was sent upstream
and merged, but it wasn't the case here. I'll send it upstream shortly.

Bug: https://bugs.gentoo.org/922958
Closes: https://bugs.gentoo.org/938733
Signed-off-by: Sam James <sam@gentoo.org>

net-fs/nfs-utils/nfs-utils-2.7.1.ebuild

@@ -72,6 +72,7 @@ BDEPEND="
 PATCHES=(
 	"${FILESDIR}"/${PN}-2.5.2-no-werror.patch
 	"${FILESDIR}"/${PN}-udev-sysctl.patch
+	"${FILESDIR}"/${PN}-2.6.4-C99-inline.patch
 )
 
 pkg_setup() {