Fix for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2015-8327>.

--- a/util.c	2014-06-20 19:26:18 +0000
+++ b/util.c	2015-10-30 15:45:03 +0000
@@ -31,7 +31,7 @@
 #include <assert.h>
 
 
-const char* shellescapes = "|<>&!$\'\"#*?()[]{}";
+const char* shellescapes = "|<>&!$\'\"`#*?()[]{}";
 
 const char * temp_dir()
 {

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h class='left'>Commit message (<a href='/guix/log/gnu/packages/mono.scm?id=9d67480adf0d4cbfe82183f949065c8be1e39882'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2018-11-27 00:36:47 +0100'>2018-11-27</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mono.scm?id=bc0d24292d776826b8ce9c9aa9d620e33160d1ed'>gnu: mono: Make build reproducible.</a></td><td>Danny Milosavljevic</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* gnu/packages/patches/mono-mdoc-timestamping.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/mono.scm (mono)[source]: Use patch.
[arguments]&lt;#:phases&gt;[make-reproducible]: New phase.
&lt;#:phases&gt;[set-env]: Set SOURCE_DATE_EPOCH.


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<tr class='logheader'><td><span title='2018-11-26 21:48:54 +0100'>2018-11-26</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mono.scm?id=8160baf8b755cc6217ac263a61724c789fcf49e8'>gnu: mono: End phase with #t.</a></td><td>Danny Milosavljevic</td></tr>
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* gnu/packages/mono.scm (mono)[arguments]&lt;#:phases&gt;[set-env]: End with #t.


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<tr class='logheader'><td><span title='2018-11-26 19:44:29 +0100'>2018-11-26</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mono.scm?id=de42429040d1754301fe76e5de53deda3e973027'>gnu: mono: Fix build with glibc 2.28.</a></td><td>Danny Milosavljevic</td></tr>
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* gnu/packages/mono.scm (mono)[arguments]&lt;#:phases&gt;[fix-includes]: New phase.


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<tr class='logheader'><td><span title='2018-11-05 23:46:37 +0100'>2018-11-05</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/mono.scm?id=0a56ffdf1fd7a9169ed855c88a3d5907fa71447a'>gnu: mono: Update home page.</a></td><td>Marius Bakke</td></tr>
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* gnu/packages/mono.scm (mono)[home-page]: Use HTTPS.


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