procmail: avoid bashism in do_install
procmail: avoid bashism in do_install

Found with verify-bashisms.

Signed-off-by: Patrick Ohly <0fc9d825c622b2a5ac5160289c29f03654b10648@intel.com>
Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

kraj/meta-openembedded,mrchapp/meta-openembedded,mrchapp/meta-openembedded,amery/meta-openembedded,VCTLabs/meta-openembedded,victronenergy/meta-openembedded,openembedded/meta-openembedded,kraj/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded,lgirdk/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,sigma-embedded/elito-org.openembedded.meta,openembedded/meta-openembedded,rehsack/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,amery/meta-openembedded,victronenergy/meta-openembedded,mrchapp/meta-openembedded,rehsack/meta-openembedded,kraj/meta-openembedded,kraj/meta-openembedded,rehsack/meta-openembedded,schnitzeltony/meta-openembedded,lgirdk/meta-openembedded,openembedded/meta-openembedded,kraj/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,sigma-embedded/elito-org.openembedded.meta,sigma-embedded/elito-org.openembedded.meta,VCTLabs/meta-openembedded,victronenergy/meta-openembedded,moto-timo/meta-openembedded,lgirdk/meta-openembedded,openembedded/meta-openembedded,victronenergy/meta-openembedded,openembedded/meta-openembedded,VCTLabs/meta-openembedded,amery/meta-openembedded,amery/meta-openembedded,kraj/meta-openembedded,VCTLabs/meta-openembedded,rehsack/meta-openembedded,amery/meta-openembedded,amery/meta-openembedded,mrchapp/meta-openembedded,rehsack/meta-openembedded,amery/meta-openembedded,mrchapp/meta-openembedded,openembedded/meta-openembedded,amery/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,moto-timo/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,sigma-embedded/elito-org.openembedded.meta,schnitzeltony/meta-openembedded,moto-timo/meta-openembedded,moto-timo/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded,VCTLabs/meta-openembedded,openembedded/meta-openembedded,kraj/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,rehsack/meta-openembedded,schnitzeltony/meta-openembedded,lgirdk/meta-openembedded,mrchapp/meta-openembedded,schnitzeltony/meta-openembedded