add zstd upstream fixes patch

chapter01/whatsnew.xml

@@ -280,14 +280,9 @@
   <itemizedlist>
     <title>Added:</title>
     <listitem><para></para></listitem>  <!-- satisfy build -->
-    <!--
     <listitem>
-      <para>binutils-2.37-upstream_fix-1.patch</para>
+      <para>&zstd-upstream-fixes-patch;</para>
     </listitem>
-    <listitem>
-      <para>gcc-11.1.0-upstream_fixes-1.patch</para>
-    </listitem>
-    -->
   </itemizedlist>
 
   <itemizedlist>

chapter03/patches.xml

@@ -141,6 +141,13 @@
       </listitem>
     </varlistentry>
 
+    <varlistentry>
+      <term>Zstd Upstream Fixes Patch - <token>&zstd-upstream-fixes-patch-size;</token>:</term>
+      <listitem>
+        <para>Download: <ulink url="&patches-root;&zstd-upstream-fixes-patch;"/></para>
+        <para>MD5 sum: <literal>&zstd-upstream-fixes-patch-md5;</literal></para>
+      </listitem>
+    </varlistentry>
   </variablelist>
 
   <para>Total size of these patches: about <returnvalue/></para>

chapter08/zstd.xml

@@ -42,6 +42,10 @@
   <sect2 role="installation">
     <title>Installation of Zstd</title>
 
+    <para>Apply a patch to fix some issues identified by upstream:</para>
+
+<screen><userinput remap="pre">patch -Np1 -i ../&zstd-upstream-fixes-patch;</userinput></screen>
+
     <para>Compile the package:</para>
 
 <screen><userinput remap="make">make</userinput></screen>

patches.ent

@@ -87,3 +87,7 @@
 <!ENTITY systemd-upstream-fixes-patch "systemd-&systemd-version;-upstream_fixes-1.patch">
 <!ENTITY systemd-upstream-fixes-patch-md5 "71eac6abdad5fba2039dcd011a9ae5b3">
 <!ENTITY systemd-upstream-fixes-patch-size "20 KB">
+
+<!ENTITY zstd-upstream-fixes-patch "zstd-&zstd-version;-upstream_fixes-1.patch">
+<!ENTITY zstd-upstream-fixes-patch-md5 "a7e576e3f87415fdf388392b257cdcf3">
+<!ENTITY zstd-upstream-fixes-patch-size "4 KB">