Improve file matching when there are multiple release candidates locally. (#325)

diff --git a/tools/upload_to_dist.sh b/tools/upload_to_dist.sh
index aa9db80..5397382 100755
--- a/tools/upload_to_dist.sh
+++ b/tools/upload_to_dist.sh
@@ -31,7 +31,8 @@
 
 cd "$RELEASE_SVN_DIR"
 
-for artifact in `ls "$STAGE_SVN_DIR/$pre_release_version"`; do
+for artifact in `find "$STAGE_SVN_DIR/$pre_release_version" -name "*${version}*"`; do
+    artifact=$(basename -- "$artifact")
     cp "$STAGE_SVN_DIR/$pre_release_version/$artifact" $artifact
     svn add $artifact
 done