Minor bugfix (sb2-build-libtool)
Minor bugfix (sb2-build-libtool)

- interrupting sb2-build-libtool while it was trying to download libtool
  sources might have left the system to unstable state (wget seems to
  create the output file before the connection has been established)

OlegGirko/ldbox,h113331pp/scratchbox2,ldbox/ldbox,loganchien/scratchbox2,lbt/scratchbox2,neeraj9/sbox2,ldbox/ldbox,neeraj9/sbox2,loganchien/scratchbox2,OlegGirko/ldbox,OlegGirko/ldbox,madscientist42/scratchbox2,freedesktop-unofficial-mirror/sbox2,loganchien/scratchbox2,neeraj9/sbox2,h113331pp/scratchbox2,lbt/scratchbox2,freedesktop-unofficial-mirror/sbox2,h113331pp/scratchbox2,freedesktop-unofficial-mirror/sbox2,h113331pp/scratchbox2,madscientist42/scratchbox2,loganchien/scratchbox2,BinChengfei/scratchbox2,BinChengfei/scratchbox2,ldbox/ldbox,lbt/scratchbox2,BinChengfei/scratchbox2,madscientist42/scratchbox2,madscientist42/scratchbox2,loganchien/scratchbox2,lbt/scratchbox2,madscientist42/scratchbox2,neeraj9/sbox2,neeraj9/sbox2,OlegGirko/ldbox,ldbox/ldbox,freedesktop-unofficial-mirror/sbox2,BinChengfei/scratchbox2,lbt/scratchbox2,loganchien/scratchbox2,madscientist42/scratchbox2,OlegGirko/ldbox,ldbox/ldbox,BinChengfei/scratchbox2,freedesktop-unofficial-mirror/sbox2,freedesktop-unofficial-mirror/sbox2,ldbox/ldbox,OlegGirko/ldbox,h113331pp/scratchbox2,h113331pp/scratchbox2,BinChengfei/scratchbox2,neeraj9/sbox2