Makefile - fixed `rm` cmd in the  `clean` target
Makefile - fixed `rm` cmd in the  `clean` target

The `clean` target in the Makefile was missing the `r` flag.
dnephin/hound,etsy/Hound,gwindes/Hound,snowsnail/hound,sstarcher/Hound,snowsnail/hound,Kareo/Hound,mrKrizz/hound,gwindes/Hound,rberrelleza/hound,flowbywind/hound,Kareo/Hound,mrKrizz/hound,miketheman/hound,morria/hound,flowbywind/hound,morria/hound,gwindes/Hound,miketheman/hound,flowbywind/hound,mrKrizz/hound,sstarcher/Hound,dnephin/hound,Kareo/Hound,sstarcher/Hound,etsy/Hound,Kareo/Hound,Kareo/Hound,sstarcher/Hound,etsy/Hound,mrKrizz/hound,colbyr/hound,0xmohit/hound,0xmohit/hound,morria/hound,gwindes/Hound,colbyr/hound,0xmohit/hound,colbyr/hound,morria/hound,miketheman/hound,flowbywind/hound,etsy/Hound,rberrelleza/hound,rberrelleza/hound,rberrelleza/hound,0xmohit/hound,colbyr/hound,dnephin/hound,dnephin/hound,snowsnail/hound,snowsnail/hound,miketheman/hound