Replace call to mawk by awk.
Replace call to mawk by awk.

mawk handling of `\.` is different from gawk:
gawk complains about `warning: escape sequence '\.' treated as plain '.'`

New version works identically with both.

dnschneid/crouton,fxcebx/crouton,tedm/crouton,StrawnPoint04/crouton,twmccart/crouton,fxcebx/crouton,elkangaroo/chroagh,arbuztw/crouton,armgong/chroagh,rperce/chroagh,Timvrakas/crouton,dragon788/chroagh,zofuthan/crouton,tedm/crouton,rperce/chroagh,DanDanBu/crouton,mkasick/crouton,elkangaroo/chroagh,rperce/chroagh,brayniac/crouton,JDGBOLT/chroagh,armgong/chroagh,armgong/chroagh,dnschneid/crouton,dragon788/chroagh,tedm/crouton,jamgregory/crouton,nromsdahl/crouton,jamgregory/crouton,Timvrakas/crouton,stephen-soltesz/crouton,arbuztw/crouton,djmrr/crouton,JDGBOLT/chroagh,taterbase/crouton,zofuthan/crouton,mkasick/crouton,djmrr/crouton,tonyxue/cruise,marriop/newCrouton,dragon788/chroagh,DanDanBu/crouton,zofuthan/crouton,stephen-soltesz/crouton,zofuthan/crouton,marriop/newCrouton,rperce/chroagh,mkasick/crouton,ikaritw/crouton,twmccart/crouton,Timvrakas/crouton,zofuthan/crouton,JDGBOLT/chroagh,armgong/chroagh,marriop/newCrouton,mkasick/crouton,StrawnPoint04/crouton,nromsdahl/crouton,ikaritw/crouton,VandeurenGlenn/crouton,tedm/crouton,tonyxue/cruise,elkangaroo/chroagh,fxcebx/crouton,stephen-soltesz/crouton,armgong/chroagh,jamgregory/crouton,armgong/chroagh,JDGBOLT/chroagh,DanDanBu/crouton,tedm/crouton,JDGBOLT/chroagh,arbuztw/crouton,elkangaroo/chroagh,nromsdahl/crouton,taterbase/crouton,VandeurenGlenn/crouton,dragon788/chroagh,Timvrakas/crouton,taterbase/crouton,DanDanBu/crouton,dnschneid/crouton,dragon788/chroagh,twmccart/crouton,elkangaroo/chroagh,taterbase/crouton,nromsdahl/crouton,zofuthan/crouton,VandeurenGlenn/crouton,tonyxue/cruise,djmrr/crouton,fxcebx/crouton,stephen-soltesz/crouton,brayniac/crouton,taterbase/crouton,fxcebx/crouton,arbuztw/crouton,brayniac/crouton,dnschneid/crouton,twmccart/crouton,jamgregory/crouton,twmccart/crouton,arbuztw/crouton,StrawnPoint04/crouton,arbuztw/crouton,edge226/celce,ikaritw/crouton,djmrr/crouton,ikaritw/crouton,tonyxue/cruise,DanDanBu/crouton,brayniac/crouton,twmccart/crouton,brayniac/crouton,DanDanBu/crouton,Timvrakas/crouton,nromsdahl/crouton,JDGBOLT/chroagh,elkangaroo/chroagh,Timvrakas/crouton,nromsdahl/crouton,stephen-soltesz/crouton,tedm/crouton,tonyxue/cruise,rperce/chroagh,edge226/celce,VandeurenGlenn/crouton,VandeurenGlenn/crouton,jamgregory/crouton,tonyxue/cruise,fxcebx/crouton,mkasick/crouton,brayniac/crouton,dnschneid/crouton,ikaritw/crouton,taterbase/crouton,StrawnPoint04/crouton,mkasick/crouton,rperce/chroagh,StrawnPoint04/crouton,VandeurenGlenn/crouton,ikaritw/crouton,djmrr/crouton,edge226/celce,stephen-soltesz/crouton,djmrr/crouton,StrawnPoint04/crouton,dragon788/chroagh,jamgregory/crouton,dnschneid/crouton