Fix type mismatch with Poppler 0.86.

Taken from Arch Linux:
https://git.archlinux.org/svntogit/packages.git/tree/trunk/libreoffice-poppler-0.86.patch?h=packages/libreoffice-fresh

diff --git a/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
--- a/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
+++ b/sdext/source/pdfimport/xpdfwrapper/pdfioutdev_gpl.cxx
@@ -563,7 +563,9 @@ void PDFOutDev::processLink(Link* link, Catalog*)
     if (!(pAction && pAction->getKind() == actionURI))
         return;
 
-#if POPPLER_CHECK_VERSION(0, 72, 0)
+#if POPPLER_CHECK_VERSION(0, 86, 0)
+    const char* pURI = static_cast<LinkURI*>(pAction)->getURI().c_str();
+#elif POPPLER_CHECK_VERSION(0, 72, 0)
     const char* pURI = static_cast<LinkURI*>(pAction)->getURI()->c_str();
 #else
     const char* pURI = static_cast<LinkURI*>(pAction)->getURI()->getCString();
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<div class='path'>path: <a href='/guix/log/?id=bd139ecda214878d0a11f5d6a47ca35e248b6f67'>root</a>/<a href='/guix/log/tests?id=bd139ecda214878d0a11f5d6a47ca35e248b6f67'>tests</a>/<a href='/guix/log/tests/guix-daemon.sh?id=bd139ecda214878d0a11f5d6a47ca35e248b6f67'>guix-daemon.sh</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/guix-daemon.sh?id=bd139ecda214878d0a11f5d6a47ca35e248b6f67&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-09-28 21:06:36 -0500'>2020-09-28</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=d8934360d2453a403b5433e71d09188e4ed23b57'>tests: Simplify shell exit status negation;</a><span class='msg-avail'>...</span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2019-10-16 22:53:40 +0200'>2019-10-16</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=81c580c8664bfeeb767e2c47ea343004e88223c7'>daemon: Make 'profiles/per-user' non-world-writable.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-27 23:33:48 +0200'>2019-06-27</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=5cc1075a76392666d3d733837f5c6252b1e48002'>Merge branch 'master' into core-updates</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-27 11:14:42 +0200'>2019-06-27</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=c30d117822a8ca26cd8c06c0a3974955bef68eac'>tests: Avoid TCP port collision between lint.scm and guix-daemon.sh.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-06-14 21:57:39 +0200'>2019-06-14</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=1ba0b1e6ec41afd94a3c5f907b1122204dcb5d9d'>packages: Remove 'search-bootstrap-binary'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-02-04 00:03:30 +0100'>2019-02-04</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=a87d66f371da2a84d7bba1cae58b71c9c9af73aa'>daemon: Rename 'NIX_STATE_DIR' and 'NIX_DB_DIR' environment variables.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-01-21 23:09:55 +0100'>2019-01-21</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=f9e8a12379c6fefc9e5c3c7fc3926599bbefc013'>store: Rename '&amp;nix-error' to '&amp;store-error'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2018-04-19 19:06:26 +0200'>2018-04-19</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=5cefb13ddd4d51a63a387e74c138035b7b8b8537'>guix-daemon: Disable garbage collection for remote connections.</a><span class='msg-avail'>...</span></td><td>Roel Janssen</td></tr>
<tr><td><span title='2018-01-07 23:47:22 +0100'>2018-01-07</span></td><td><a href='/guix/commit/tests/guix-daemon.sh?id=29a686688674dc875775305312513405fa396a06'>daemon: Add gzip log compression.</a><span class='msg-avail'>...</span>