dist: fix manpage/bash-completion generation
dist: fix manpage/bash-completion generation

Fixes #2856

monstermunchkin/rkt,rkt/rkt,joshix/rkt,s-urbaniak/rkt,Wilybald/rkt,jonboulle/rkt,jjlakis/rkt,kinvolk/rkt,yifan-gu/rkt,alban/rkt,Wilybald/rkt,coreos/rkt,shobhit85/rkt,dgonyeo/rkt,shobhit85/rkt,nhlfr/rkt,shobhit85/rkt,intelsdi-x/rkt,jakon89/rkt,coreos/rkt,joshix/rkt,sgotti/rkt,monstermunchkin/rkt,kinvolk/rkt,yifan-gu/rocket,ybubnov/rkt,lucasallan/rkt,jjlakis/rkt,euank/rkt,lucasallan/rkt,Wilybald/rkt,yifan-gu/rkt,achanda/rkt,nhlfr/rkt,kinvolk/rkt,Shashwatsh/rkt,yifan-gu/rocket,rkt/rkt,akshaykarle/rkt,jonboulle/rkt,euank/rkt,akshaykarle/rkt,jakon89/rkt,rkt/rkt,alban/rkt,euank/rkt,yifan-gu/rkt,sstabellini/rkt,achanda/rkt,achanda/rkt,yifan-gu/rocket,alban/rkt,intelsdi-x/rkt,s-urbaniak/rkt,jjlakis/rkt,lucasallan/rkt,ybubnov/rkt,dgonyeo/rkt,cab105/rkt,lucasallan/rkt,sstabellini/rkt,squeed/rkt,rkt/rkt,sgotti/rkt,Wilybald/rkt,jakon89/rkt,intelsdi-x/rkt,s-urbaniak/rkt,joshix/rkt,kinvolk/rkt,cab105/rkt,joshix/rkt,cab105/rkt,sgotti/rkt,nhlfr/rkt,dgonyeo/rkt,Shashwatsh/rkt,coreos/rkt,Shashwatsh/rkt,monstermunchkin/rkt,akshaykarle/rkt,squeed/rkt,ybubnov/rkt,squeed/rkt,sstabellini/rkt,jonboulle/rkt