uw-imap: fix build with glibc-2.28
uw-imap: fix build with glibc-2.28

* fixes:
  ld: error: cannot find -lcrypt
  osdep.c:136: error: undefined reference to 'crypt'
  osdep.c:118: error: undefined reference to 'crypt'
  collect2: error: ld returned 1 exit status

Signed-off-by: Martin Jansa <516df3ff67e1fa5d153800b15fb204c0a1a389dc@gmail.com>
Signed-off-by: Joe MacDonald <fbe30f12b401d02c5cf3f5c053fced92c546e3de@mentor.com>

lgirdk/meta-openembedded,kraj/meta-openembedded,VCTLabs/meta-openembedded,lgirdk/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,kraj/meta-openembedded,lgirdk/meta-openembedded,moto-timo/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,lgirdk/meta-openembedded,lgirdk/meta-openembedded,kraj/meta-openembedded,kraj/meta-openembedded,openembedded/meta-openembedded,victronenergy/meta-openembedded,VCTLabs/meta-openembedded,lgirdk/meta-openembedded,openembedded/meta-openembedded,kraj/meta-openembedded,mrchapp/meta-openembedded,schnitzeltony/meta-openembedded,rehsack/meta-openembedded,moto-timo/meta-openembedded,rehsack/meta-openembedded,victronenergy/meta-openembedded,schnitzeltony/meta-openembedded,VCTLabs/meta-openembedded,mrchapp/meta-openembedded,victronenergy/meta-openembedded,kraj/meta-openembedded,openembedded/meta-openembedded,openembedded/meta-openembedded,schnitzeltony/meta-openembedded,victronenergy/meta-openembedded,openembedded/meta-openembedded,moto-timo/meta-openembedded,victronenergy/meta-openembedded,moto-timo/meta-openembedded,victronenergy/meta-openembedded,kraj/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded,openembedded/meta-openembedded,mrchapp/meta-openembedded,rehsack/meta-openembedded,VCTLabs/meta-openembedded,rehsack/meta-openembedded,mrchapp/meta-openembedded,openembedded/meta-openembedded,rehsack/meta-openembedded,rehsack/meta-openembedded,mrchapp/meta-openembedded,schnitzeltony/meta-openembedded,VCTLabs/meta-openembedded,moto-timo/meta-openembedded,lgirdk/meta-openembedded,victronenergy/meta-openembedded,VCTLabs/meta-openembedded,schnitzeltony/meta-openembedded