Fix CVE-2014-8157 (dec->numtiles off-by-one check in jpc_dec_process_sot()).

Copied from Fedora.

http://pkgs.fedoraproject.org/cgit/rpms/jasper.git/tree/jasper-CVE-2014-8157.patch
https://bugzilla.redhat.com/show_bug.cgi?id=1179282

diff -up jasper-1.900.1/src/libjasper/jpc/jpc_dec.c.CVE-2014-8157 jasper-1.900.1/src/libjasper/jpc/jpc_dec.c
--- jasper-1.900.1/src/libjasper/jpc/jpc_dec.c.CVE-2014-8157	2015-01-19 16:59:36.000000000 +0100
+++ jasper-1.900.1/src/libjasper/jpc/jpc_dec.c	2015-01-19 17:07:41.609863268 +0100
@@ -489,7 +489,7 @@ static int jpc_dec_process_sot(jpc_dec_t
 		dec->curtileendoff = 0;
 	}
 
-	if (JAS_CAST(int, sot->tileno) > dec->numtiles) {
+	if (JAS_CAST(int, sot->tileno) >= dec->numtiles) {
 		jas_eprintf("invalid tile number in SOT marker segment\n");
 		return -1;
 	}
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<tr><td><span title='2019-02-05 12:03:25 +0100'>2019-02-05</span></td><td><a href='/guix/commit/tests/status.scm?id=ba514b601ba6be15b823e0a12d4b6e42f9d2489e'>status: Keep track of the current build phase.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-29 12:09:52 +0100'>2019-01-29</span></td><td><a href='/guix/commit/tests/status.scm?id=73a8681a16869a2b3a9da1c7ba9434e07a204e19'>status: Keep track of build completion as reported by build tools.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-29 12:09:52 +0100'>2019-01-29</span></td><td><a href='/guix/commit/tests/status.scm?id=976ef2d97887d16eab8d4eb9dad811786b04d690'>status: Record more information about builds.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-09 14:47:53 +0100'>2019-01-09</span></td><td><a href='/guix/commit/tests/status.scm?id=a65177a657b0cb36d45f2e8db574ea9c10f89a1f'>maint: Remove 'cond-expand' forms for Guile 2.0.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-10-16 17:12:09 -0500'>2018-10-16</span></td><td><a href='/guix/commit/tests/status.scm?id=278f86a43f1561b1c064ce88da012db414ec7efc'>ui: Fix port-buffering with guile@2.0.</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2018-10-15 23:06:55 +0200'>2018-10-15</span></td><td><a href='/guix/commit/tests/status.scm?id=f9a8fce10f2d99efec7cb1dd0f6c5f0df9d1b2df'>status: Build upon multiplexed build output.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
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<tr><td><span title='2018-09-27 23:21:53 +0200'>2018-09-27</span></td><td><a href='/guix/commit/tests/status.scm?id=dc0f74e5fc26977a3ee6c4f2aa74a141f4359982'>Add (guix status) and use it for pretty colored output.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>