[PATCH] fixes the warnings obtained with arm-elf-gcc 3.4

[Ashutosh Naik <ashutosh.naik@gmail.com>]

This patch fixes the warnings obtained with arm-elf-gcc 3.4.

Files Affected -

-fs/jffs2/read.c
-fs/jffs2/nodemgmt.c
-fs/jffs2/readinode.c
-fs/jffs2/write.c
-fs/jffs2/gc.c
-fs/jffs2/erase.c
-fs/nfs/nfs2xdr.c
-fs/nfs/nfs3xdr.c
-drivers/base/dmapool.c
-drivers/char/random.c
-drivers/serial/8250_early.c
-net/core/dev.c
-net/sunrpc/xprt.c
-net/sunrpc/svc.c
-net/sunrpv/svcsock.c

Signed-off-by: Ashutosh Naik <ashutosh.naik@gmail.com>