Description:
------------
Using the FILEINFO_COMPRESS option, file descriptors are left open after finfo_file() is called. Repeatedly calling the function results in running out of free descriptors.


Reproduce code:
---------------
#!/usr/bin/php
<?php
dl('fileinfo.so');

$finfo = finfo_open(FILEINFO_COMPRESS);
foreach (glob("*.zip") as $filename) {
   echo finfo_file($finfo, $filename) . "\n";
}
finfo_close($finfo);


Actual result:
--------------
ls -l /proc/3437/fd/

total 48
lrwx------ 1 jap jap 64 Jun 11 23:24 0 -> /dev/pts/2
lrwx------ 1 jap jap 64 Jun 11 23:24 1 -> /dev/pts/2
lr-x------ 1 jap jap 64 Jun 11 23:24 10 -> pipe:[754125]
lr-x------ 1 jap jap 64 Jun 11 23:24 11 -> pipe:[754127]
lr-x------ 1 jap jap 64 Jun 11 23:24 12 -> pipe:[754129]
lr-x------ 1 jap jap 64 Jun 11 23:24 13 -> pipe:[754131]
lr-x------ 1 jap jap 64 Jun 11 23:24 14 -> pipe:[754133]
lr-x------ 1 jap jap 64 Jun 11 23:24 15 -> pipe:[754135]
lr-x------ 1 jap jap 64 Jun 11 23:24 16 -> pipe:[754137]
lr-x------ 1 jap jap 64 Jun 11 23:24 17 -> pipe:[754139]
lr-x------ 1 jap jap 64 Jun 11 23:24 18 -> pipe:[754141]
lr-x------ 1 jap jap 64 Jun 11 23:24 19 -> pipe:[754143]
lrwx------ 1 jap jap 64 Jun 11 23:24 2 -> /dev/pts/2
lr-x------ 1 jap jap 64 Jun 11 23:24 20 -> pipe:[754145]
lr-x------ 1 jap jap 64 Jun 11 23:24 21 -> pipe:[754147]
lr-x------ 1 jap jap 64 Jun 11 23:24 22 -> pipe:[754149]
lr-x------ 1 jap jap 64 Jun 11 23:24 23 -> pipe:[754151]
lr-x------ 1 jap jap 64 Jun 11 23:24 24 -> pipe:[754153]
lr-x------ 1 jap jap 64 Jun 11 23:24 25 -> pipe:[754155]
lr-x------ 1 jap jap 64 Jun 11 23:24 26 -> pipe:[754157]
lr-x------ 1 jap jap 64 Jun 11 23:24 27 -> pipe:[754159]
lr-x------ 1 jap jap 64 Jun 11 23:24 28 -> pipe:[754161]
lr-x------ 1 jap jap 64 Jun 11 23:24 29 -> pipe:[754163]
lr-x------ 1 jap jap 64 Jun 11 23:24 30 -> pipe:[754165]
lr-x------ 1 jap jap 64 Jun 11 23:24 31 -> pipe:[754167]
lr-x------ 1 jap jap 64 Jun 11 23:24 32 -> pipe:[754169]
lr-x------ 1 jap jap 64 Jun 11 23:24 33 -> pipe:[754171]
lr-x------ 1 jap jap 64 Jun 11 23:24 34 -> pipe:[754173]
lr-x------ 1 jap jap 64 Jun 11 23:24 35 -> pipe:[754175]
lr-x------ 1 jap jap 64 Jun 11 23:24 36 -> pipe:[754177]
lr-x------ 1 jap jap 64 Jun 11 23:24 37 -> pipe:[754179]
lr-x------ 1 jap jap 64 Jun 11 23:24 38 -> pipe:[754181]
lr-x------ 1 jap jap 64 Jun 11 23:24 39 -> pipe:[754183]
lr-x------ 1 jap jap 64 Jun 11 23:24 4 -> pipe:[754105]
lr-x------ 1 jap jap 64 Jun 11 23:24 40 -> pipe:[754185]
lr-x------ 1 jap jap 64 Jun 11 23:24 41 -> pipe:[754187]
lr-x------ 1 jap jap 64 Jun 11 23:24 42 -> pipe:[754189]
lr-x------ 1 jap jap 64 Jun 11 23:24 43 -> pipe:[754191]
lr-x------ 1 jap jap 64 Jun 11 23:24 44 -> pipe:[754193]
lr-x------ 1 jap jap 64 Jun 11 23:24 45 -> pipe:[754195]
lr-x------ 1 jap jap 64 Jun 11 23:24 46 -> pipe:[754197]
lr-x------ 1 jap jap 64 Jun 11 23:24 47 -> pipe:[754199]
lr-x------ 1 jap jap 64 Jun 11 23:24 48 -> pipe:[754245]
lr-x------ 1 jap jap 64 Jun 11 23:24 5 -> pipe:[754107]
lr-x------ 1 jap jap 64 Jun 11 23:24 6 -> pipe:[754109]
lr-x------ 1 jap jap 64 Jun 11 23:24 7 -> pipe:[754111]
lr-x------ 1 jap jap 64 Jun 11 23:24 8 -> pipe:[754113]
lr-x------ 1 jap jap 64 Jun 11 23:24 9 -> pipe:[754115]