release_local_port: properly compute the bitmap position
release_local_port: properly compute the bitmap position

Current calculation is always off, not reflecting the right position
in the bitmap, which results in failures due to conflicts (detected at
the kernel level) when trying to open a new handle.

Signed-off-by: Inaky Perez-Gonzalez <32fcc484d967529190dea5c4cba96be3030624cc@linux.intel.com>

thiz11/platform_external_libnl,yinquan529/platform-external-libnl,Distrotech/libnl,claudelee/libnl,congwang/libnl,android-ia/platform_external_libnl,kolyshkin/libnl,tgraf/libnl,cyclops8456/libnl3,teto/libnl_old,cyclops8456/libnl3,cfriedt/libnl,tklauser/libnl,vyos/libnl3,Distrotech/libnl,chitranshi/libnl,kolyshkin/libnl,gxk/libnl,geekboxzone/mmallow_external_libnl,CyanogenMod/android_external_libnl,tklauser/libnl,socketpair/libnl,baloo/libnl,dsahern/libnl,Distrotech/libnl,thom311/libnl,kolyshkin/libnl,honsys/libnl,UnicronNL/libnl3,karlhiramoto/libnl,houstar/libnl,bcopeland/android_libnl,geekboxzone/lollipop_external_libnl,UnicronNL/libnl3,baloo/libnl,baloo/libnl,geekboxzone/lollipop_external_libnl,cyclops8456/libnl3,greearb/libnl-ct,gxk/libnl,honsys/libnl,UnicronNL/libnl3,tgraf/libnl,houstar/libnl,cfriedt/libnl,UnicronNL/libnl3,thom311/libnl,geekboxzone/mmallow_external_libnl,tklauser/libnl,tgraf/libnl,greearb/libnl-ct,karlhiramoto/libnl,tklauser/libnl,claudelee/libnl,claudelee/libnl,dsahern/libnl,vyos/libnl3,greearb/libnl-ct,Omegaphora/external_libnl,mshirley/libnl,HolyShitMan/libnl-1,houstar/libnl,teto/libnl_old,dsahern/libnl,HolyShitMan/libnl-1,xin3liang/platform_external_libnl,Distrotech/libnl,cfriedt/libnl,HolyShitMan/libnl-1,gxk/libnl,android-ia/platform_external_libnl,karlhiramoto/libnl,xin3liang/platform_external_libnl,vyos/libnl3,HolyShitMan/libnl-1,claudelee/libnl,congwang/libnl,bcopeland/android_libnl,socketpair/libnl,baloo/libnl,vyos/libnl3,thom311/libnl,teto/libnl_old,chitranshi/libnl,dsahern/libnl,congwang/libnl,socketpair/libnl,honsys/libnl,CyanogenMod/android_external_libnl,karlhiramoto/libnl,cyclops8456/libnl3,chitranshi/libnl,mshirley/libnl,teto/libnl_old,mshirley/libnl,thiz11/platform_external_libnl,yinquan529/platform-external-libnl,chitranshi/libnl,tgraf/libnl,houstar/libnl,cfriedt/libnl,mshirley/libnl,congwang/libnl,honsys/libnl,Omegaphora/external_libnl,kolyshkin/libnl