Fix for <https://nvd.nist.gov/vuln/detail?vulnId=CVE-2015-8560>.

--- a/util.c	2015-10-30 15:45:03 +0000
+++ b/util.c	2015-12-12 23:27:21 +0000
@@ -31,7 +31,7 @@
 #include <assert.h>
 
 
-const char* shellescapes = "|<>&!$\'\"`#*?()[]{}";
+const char* shellescapes = "|;<>&!$\'\"`#*?()[]{}";
 
 const char * temp_dir()
 {
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<tr class='logheader'><td><span title='2020-01-23 23:28:57 +0100'>2020-01-23</span></td><td class='logsubject'><a href='/guix/commit/gnu/packages/nvi.scm?id=3440fecd4eff3bde98a4ffe7ad241f2b23ba1f5f'>gnu: nvi: Fix build with glibc 2.30.</a></td><td>Marius Bakke</td></tr>
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* gnu/packages/nvi.scm (nvi)[source](modules): New field.
[source](snippet): Add substitution to prevent including code that relies on
obsolete glibc functions.


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