fix usage of find and sed

git-svn-id: svn+ssh://svn.psi-im.org/home/psi/svn/win-installer/trunk@29 2d3a5ac0-73f9-4639-b284-2310bd1da355

tools/prepfiles

@@ -13,7 +13,7 @@ infile=$1
 echo $infile
 yes A | unzip -q $infile # | grep -v "warning" | grep -v "chmod"
 
-indir=$(find -type d | grep / | head -n 1 | sed "s|./||g")
+indir=$(find . -type d | grep '/' | head -n 1 | sed 's|./||g')
 
 find $indir -type d > directories.list