Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/tmux.git#b0b9c487f0e41bf6aeac7901efa6a34a70753a45

tmux.spec

@@ -2,7 +2,7 @@
 
 Name:           tmux
 Version:        3.1c
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        A terminal multiplexer
 
 # Most of the source is ISC licensed; some of the files in compat/ are 2 and
@@ -13,6 +13,7 @@ Source0:        https://github.com/tmux/%{name}/releases/download/%{version}/%{n
 # Examples has been removed - so include the bash_completion here
 Source1:        bash_completion_tmux.sh
 
+BuildRequires: make
 BuildRequires:  gcc
 BuildRequires:  pkgconfig(libevent)
 BuildRequires:  pkgconfig(tinfo)
@@ -66,6 +67,9 @@ fi
 %{_datadir}/bash-completion/completions/tmux
 
 %changelog
+* Wed Jan 27 2021 Fedora Release Engineering <releng@fedoraproject.org> - 3.1c-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
+
 * Mon Jan  4 2021 Filipe Rosset <rosset.filipe@gmail.com> - 3.1c-1
 - Update to 3.1c