vesa_lvo.c: make functions static
Mark functs not used outside of the file as static, remove from header; fixes:
libvo/vesa_lvo.c:187: warning: no previous prototype for 'vlvo_draw_slice'
libvo/vesa_lvo.c:205: warning: no previous prototype for 'vlvo_draw_frame'
libvo/vesa_lvo.c:214: warning: no previous prototype for 'vlvo_flip_page'
libvo/vesa_lvo.c:275: warning: no previous prototype for 'vlvo_draw_osd'
libvo/vesa_lvo.c:312: warning: no previous prototype for 'vlvo_query_info'
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32288 b3059339-0415-0410-9bf9-f77b7e298cf2