Compatibility with GHC 8.10 and template-haskell 2.16.

Taken from 
https://raw.githubusercontent.com/archlinux/svntogit-community/packages/haskell-language-haskell-extract/trunk/ghc-8.10.patch

diff --git a/src/Language/Haskell/Extract.hs b/src/Language/Haskell/Extract.hs
index 3e8958b..43dfe04 100644
--- a/src/Language/Haskell/Extract.hs
+++ b/src/Language/Haskell/Extract.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 module Language.Haskell.Extract (
   functionExtractor,
   functionExtractorMap,
@@ -25,7 +26,11 @@ extractAllFunctions pattern =
 functionExtractor :: String -> ExpQ
 functionExtractor pattern =
   do functions <- extractAllFunctions pattern
-     let makePair n = TupE [ LitE $ StringL n , VarE $ mkName n]
+     let makePair n = TupE
+#if MIN_VERSION_template_haskell(2,16,0)
+                           $ map Just
+#endif
+                           [ LitE $ StringL n , VarE $ mkName n]
      return $ ListE $ map makePair functions
 
 
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<tr><td><span title='2023-07-26 09:11:56 +0300'>2023-07-26</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=713dca1399cda2439af75989510f86718741a4ff'>gnu: toot: Update to 0.38.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (toot): Update to 0.38.1.
[inputs]: Add python-tomlkit.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-07-10 00:33:58 -0400'>2023-07-10</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=88027480b537b391b5089fb06889835510f33e59'>gnu: tuba: Fix videoplayer crash and webp support.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (tuba)[arguments]&lt;phases: Add lib-vars-wrap
phase to set GST_PLUGIN_SYSTEM_PATH and GDK_PIXBUF_MODULE_FILE
variables.
(tuba)[native-inputs]: Add gdk-pixbuf.
(tuba)[inputs]: Add gstreamer, gst-plugins-bad, gst-plugins-base,
gst-plugins-good and webp-pixbuf-loader.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Lilah Tascheter</td></tr>
<tr><td><span title='2023-07-10 00:30:24 -0400'>2023-07-10</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=753428d7939bb5840d9e230215312d4bd5d487d3'>gnu: tuba: Update to new style.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (tuba)[arguments]: Update to new style.

Signed-off-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
Modified-by: Maxim Cournoyer &lt;maxim.cournoyer@gmail.com&gt;
</span></span></td><td>Lilah Tascheter</td></tr>
<tr><td><span title='2023-06-30 14:11:42 +0300'>2023-06-30</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=63d555cd0cd7cba3b84fad065cd244bcd286d64c'>gnu: toot: Update to 0.37.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (toot): Update to 0.37.0.
[native-inputs]: Add python-psycopg2.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-06-14 21:33:32 +0300'>2023-06-14</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=f8cf3982ff37ca229c9f7928c778ea1fa115416a'>gnu: Add tuba.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (tuba): New variable.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-03-22 10:31:15 +0200'>2023-03-22</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=37664e1cecceb82e7922ddac7af52eaf5fcb1301'>gnu: toot: Update to 0.36.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (toot): Update to 0.36.0.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-03-08 08:54:31 +0200'>2023-03-08</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=034a5f2e861cb85a1a3b2108b0cee37ae28fd3f5'>gnu: toot: Update to 0.35.0.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (toot): Update to 0.35.0.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-12-18 21:44:15 +0200'>2022-12-18</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=710c8f159f314e58c3328eae076ae84a5b4960c4'>gnu: toot: Update to 0.32.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (toot): Update to 0.32.1.
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2022-12-06 10:58:08 +0200'>2022-12-06</span></td><td><a href='/guix/commit/gnu/packages/mastodon.scm?id=f34ccd506e6594ad253f3f8d1c03171e7520a4b9'>gnu: toot: Update to 0.30.1.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/mastodon.scm (toot): Update to 0.30.1.
[arguments]: Add a phase to remove integration tests.
</span></span></td><td>Efraim Flashner</td></tr>