Address issue 44 (^C download failure)

Addressed an issue where hitting ^C during the download of part of a queue
and restarting the queue could result in a download failure. Also added a
ChangeLog item for r768.

ChangeLog-current.txt

@@ -2,6 +2,9 @@ Fri Mar  5 21:46:41 UTC 2010
 Sbopkg 0.XX.X released.  This version contains the following fixes and
 enhancements:
 
-  * 
+  * Addressed an apparent bash 4.1 bug that causes the 'obsolete sources'
+    function to break.
+  * Addressed issue 44 where hitting ^C during the download of part of a queue
+    and restarting the queue could result in a download failure.
 +--------------------------+
 

src/usr/sbin/sbopkg

@@ -2886,6 +2886,8 @@ get_source() {
 
             mkdir -p $DLDIR
             cd $DLDIR
+            find $DLDIR -type f | xargs rm
+
             if [[ -z $NO_DL_LOOP ]]; then
                 wget $WGETFLAGS ${DOWNLOAD[$i]} >> \
                     $SBOPKGOUTPUT & echo "$!" >> $PIDLIST 2>> $SBOPKGOUTPUT