Run of multiarch-fixes for gmpc-plugins

Try this locally (using the lintian-brush package):

debcheckout gmpc-plugins
cd gmpc-plugins
apply-multiarch-hints
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Host Architecture: amd64
Install-Time: 515
Job: /tmp/tmp86yreq08/build-area/gmpc-plugins_11.8.16-6~jan+maf1.dsc
Lintian: warn
Machine Architecture: amd64
Package: gmpc-plugins
Package-Time: 628
Source-Version: 11.8.16-6~jan+maf1
Space: 40916
Status: successful
Version: 11.8.16-6~jan+maf1
--------------------------------------------------------------------------------
Finished at 2020-09-17T22:22:48Z
Build needed 00:10:28, 40916k disk space
Cleaning build dir: /tmp/tmp86yreq08/build-area/gmpc-plugins-11.8.16

Summary

Multi-arch fixes.

Full build log Full worker log