Fix for CVE-2014-3587

Patch from PHP community:

diff --git a/ext/fileinfo/libmagic/cdf.c b/ext/fileinfo/libmagic/cdf.c

index 429f3b9..2c0a2d9 100644

--- a/ext/fileinfo/libmagic/cdf.c

+++ b/ext/fileinfo/libmagic/cdf.c

@@ -820,7 +820,7 @@ cdf_read_property_info(const cdf_stream_t *sst, const cdf_header_t *h,

q = (const uint8_t *)(const void *)

((const char *)(const void *)p + ofs

- 2 * sizeof(uint32_t));

- if (q > e) {

+ if (q < p || q > e) {

DPRINTF(("Ran of the end %p > %p\n", q, e));

goto out;

}