[patch] fix for file descriptor leak in lpd(8)

[Igor Zinovik]

        Hello, tech@

Do not leak file descriptor `fd' on error path.

Index: printjob.c
===================================================================
RCS file: /cvs/src/usr.sbin/lpr/lpd/printjob.c,v
retrieving revision 1.45
diff -u -p -r1.45 printjob.c
--- printjob.c  27 Oct 2009 23:59:52 -0000      1.45
+++ printjob.c  21 Mar 2010 21:18:34 -0000
@@ -1627,8 +1627,10 @@ pstatus(const char *msg, ...)
        ftruncate(fd, 0);
        len = vsnprintf(buf, sizeof(buf), msg, ap);
        va_end(ap);
-       if (len == -1)
+       if (len == -1) {
+               (void)close(fd);
                return;
+       }
        if (len >= sizeof(buf))
                len = sizeof(buf) - 1;
        buf[len++] = '\n';              /* replace NUL with newline */