staging:lustre:libcfs: Merge linux-proc.c into module.c

module.c was previously the sole exporter of symbols from linux-proc.c
This patch removes the global symbols by merging the two files

Signed-off-by: Matthew Tyler <matt.tyler@flashics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>