bash completion: the 'have' command was deprecated in favor of '_have'

`bash-completion` version 2.1 and later no longer include the `have` command, and consequently the `lxc` competion file fails on such systems. The command is now called `_have`. Signed-off-by: Peter Simons <simons@cryp.to>

bash completion: the 'have' command was deprecated in favor of '_have'
0bf8913d · Peter Simons · Stéphane Graber · 530c5e19 · 0bf8913d
Commit 0bf8913d authored Jan 02, 2016 by Peter Simons Committed by Stéphane Graber Nov 17, 2016
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lxc.in config/bash/lxc.in +1 -1

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--- a/config/bash/lxc.in
+++ b/config/bash/lxc.in
-have lxc-start && {
+_have lxc-start && {
    _lxc_names() {
        COMPREPLY=( $( compgen -W "$( lxc-ls )" "$cur" ) )
    }