also fix %d -> %u for 'iw link'
also fix %d -> %u for 'iw link'

chunyeow/iw,OSLL/iw,ewa/iw-modified,greearb/iw-ct,ewa/iw-modified,TeamEOS/external_iw,CTU-IIG/802.11p-iw,SoluMachines/external_iw,TeamEOS/external_iw,Distrotech/iw,CTU-IIG/802.11p-iw,bw-oss/iw,chunyeow/iw,greearb/iw-ct,cozybit/iw,SoluMachines/external_iw,OSLL/iw,Distrotech/iw,idor/iw,bcopeland/android_iw,timduru/platform-external-iw,bw-oss/iw,cozybit/iw,timduru/platform-external-iw,bcopeland/android_iw,idor/iw