nfs-kernel-server: update to 2.5.4

Signed-off-by: Rosen Penev <rosenp@gmail.com>

net/nfs-kernel-server/Makefile

@@ -7,9 +7,9 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nfs-kernel-server
-PKG_VERSION:=2.5.2
+PKG_VERSION:=2.5.4
 PKG_RELEASE:=1
-PKG_HASH:=09c20d30322e957a6e9547fb5aa742b163c142cd36b244c2485ae0cc3d71d32d
+PKG_HASH:=546ce4b51eeebc66e354b6cc6ca0ce509437efbdef0caaf99389534eef0e598b
 
 PKG_SOURCE_URL:=@SF/nfs
 PKG_SOURCE:=nfs-utils-$(PKG_VERSION).tar.xz