mciavi32: Fix the buffer length passed into strncat in MCIAVI_mciSet.

[Robert Shearman]

The number of remaining characters should be passed in, not the total 
buffer size.
---
  dlls/mciavi32/info.c |   22 +++++++++++-----------
  1 files changed, 11 insertions(+), 11 deletions(-)
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 765d04b50ab906d61ed6f2af18486545baefa86d.diff
Type: text/x-patch
Size: 2540 bytes
Desc: not available
Url : http://www.winehq.org/pipermail/wine-patches/attachments/20080225/741dc084/attachment.bin