Fix trailing slash in libdir bug.
Fix trailing slash in libdir bug.

yodeyer/npm,yibn2008/npm,evanlucas/npm,kriskowal/npm,chadnickbok/npm,kriskowal/npm,kimshinelove/naver-npm,segment-boneyard/npm,haggholm/npm,rsp/npm,cchamberlain/npm,DaveEmmerson/npm,evocateur/npm,xalopp/npm,segrey/npm,evocateur/npm,cchamberlain/npm,chadnickbok/npm,cchamberlain/npm,segment-boneyard/npm,ekmartin/npm,kemitchell/npm,chadnickbok/npm,Volune/npm,evanlucas/npm,ekmartin/npm,yibn2008/npm,princeofdarkness76/npm,cchamberlain/npm-msys2,yyx990803/npm,DIREKTSPEED-LTD/npm,TimeToogo/npm,haggholm/npm,yodeyer/npm,yodeyer/npm,DIREKTSPEED-LTD/npm,kimshinelove/naver-npm,kriskowal/npm,midniteio/npm,princeofdarkness76/npm,segrey/npm,haggholm/npm,thomblake/npm,evocateur/npm,yibn2008/npm,yyx990803/npm,segmentio/npm,segmentio/npm,misterbyrne/npm,DaveEmmerson/npm,lxe/npm,segmentio/npm,Volune/npm,misterbyrne/npm,segrey/npm,kimshinelove/naver-npm,TimeToogo/npm,misterbyrne/npm,midniteio/npm,DaveEmmerson/npm,xalopp/npm,cchamberlain/npm-msys2,segment-boneyard/npm,midniteio/npm,princeofdarkness76/npm,TimeToogo/npm,evanlucas/npm,cchamberlain/npm-msys2,rsp/npm,rsp/npm,lxe/npm,xalopp/npm,thomblake/npm,yyx990803/npm,lxe/npm,DIREKTSPEED-LTD/npm,kemitchell/npm,Volune/npm,thomblake/npm,kemitchell/npm,ekmartin/npm