staging: lustre: fld: declare internal symbols as static

Fixes sparse warnings like:
  warning: symbol '...' was not declared. Should it be static?
Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net>
Cc: Peng Tao <bergwolf@gmail.com>
Cc: Jinshan Xiong <jinshan.xiong@intel.com>
Cc: Srikrishan Malik <srikrishanmalik@gmail.com>
Cc: HPDD-discuss@lists.01.org
Cc: devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/fld/fld_cache.c

@@ -257,7 +257,7 @@ void fld_cache_flush(struct fld_cache *cache)
  * entry accordingly.
  */
 
-void fld_cache_punch_hole(struct fld_cache *cache,
+static void fld_cache_punch_hole(struct fld_cache *cache,
 				 struct fld_cache_entry *f_curr,
 				 struct fld_cache_entry *f_new)
 {

drivers/staging/lustre/lustre/fld/lproc_fld.c

@@ -154,7 +154,7 @@ static int fld_proc_cache_flush_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-struct file_operations fld_proc_cache_flush_fops = {
+static struct file_operations fld_proc_cache_flush_fops = {
 	.owner		= THIS_MODULE,
 	.open		= fld_proc_cache_flush_open,
 	.write		= fld_proc_cache_flush_write,