Patch for snprintf problem (bug #1000650)

Hello,

  I found the problem in snprintf on linux (maybe another unix) boxes
in info.c (CVS HEAD). The problematic part is something like:

buf = "text";
snprintf(buf,size,"%s append",buf);

buf = "text append" on Windows (MS VC compiler)
buf = " append" on linux (gcc compiler)

I solve it this way (main idea):
snprintf(buf + strlen(buf), " append");

There are more parameters (char *, int, ...) in real usage.
More details is here:
http://pgfoundry.org/tracker/index.php?func=detail&aid=1000650&group_id=1000125&atid=538

The patch is created againist CVS.

Comments are welcome

Luf