work around more license formatting issues

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

licensing/.dockerignore

@@ -0,0 +1 @@
+output/

licensing/license.sh

@@ -34,7 +34,9 @@ do
     if [ ! -d "$srcdir"/$pkgname-$pkgver ]
     then
       mkdir -p "$srcdir"/$pkgname-$pkgver
-      while read f
+      while read ff
+      do
+	for f in $ff
 	do
 	  if [ -n "$(echo $f | tr -d '[[:space:]]')" ]
 	    then
@@ -49,6 +51,7 @@ do
                 cd -
               fi
 	  fi
+        done
       done <<< "$source"
     fi
   )