sessreg: Fix build on musl
sessreg: Fix build on musl

musl does not define _WTMPX_FILE or _UTMPX_FILE
use versions without 'X'

Signed-off-by: Khem Raj <729d64b6f67515e258459a5f6d20ec88b2caf8df@gmail.com>
Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>

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