Misc (re #1370): minor fix in pjsua_vid_preview_get_win() documentation which said it will return NULL instead of PJSUA_INVALID_ID if the window is not created for the device

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@3784 74dad513-b988-da41-8d7b-12977e46ad98
1 file changed