netkit-telnet: fix qa warnings of alternative target

From: Kai Kang <[email protected]>

When build lib32-netkit-telnet that multilib is enabled, it shows qa warnings of alternative target:

| WARNING: lib32-netkit-telnet-0.17-r0 do_package: netkit-telnet:
|   alternative target (/usr/bin/telnet or /usr/bin/telnet.netkit-telnet)
|   does not exist, skipping...
| WARNING: lib32-netkit-telnet-0.17-r0 do_package: netkit-telnet: NOT
|   adding alternative provide /usr/bin/telnet:
|   /usr/bin/telnet.netkit-telnet does not exist
| WARNING: lib32-netkit-telnet-0.17-r0 do_package: netkit-telnet: alt_link
|   == alt_target: /usr/bin/telnet == /usr/bin/telnet

Set ALTERNATIVE_TARGET to fix the issue.

---
 .../recipes-netkit/netkit-telnet/netkit-telnet_0.17.bb           | 1 +
 1 file changed, 1 insertion(+)

index 2fadf0334..de00ba928 100644
@@ -55,6 +55,7 @@ inherit update-alternatives
 ALTERNATIVE_PRIORITY = "100"
 ALTERNATIVE_${PN} = "telnet"
 ALTERNATIVE_LINK_NAME[telnet] = "${bindir}/telnet"
+ALTERNATIVE_TARGET[telnet] = "${bindir}/telnet.${PN}"
 
 SRC_URI[md5sum] = "d6beabaaf53fe6e382c42ce3faa05a36"
 SRC_URI[sha256sum] = "9c80d5c7838361a328fb6b60016d503def9ce53ad3c589f3b08ff71a2bb88e00"

2.18.0