staging: vt6655: Declare vnt_init() static
staging: vt6655: Declare vnt_init() static

Fix sparse warning:
  drivers/staging/vt6655/device_main.c:1672:5: warning: symbol 'vnt_init' was not declared. Should it be static?

Signed-off-by: Sören Brinkmann <b0d03432a36be919aaab869a07dc5b7ec3612e20@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs