fix build: properly remove artifacts
The jenkins scripts are run by sh, which does not support the {a,b} syntax
shell glob. As a result, old build artifacts pile up in the workspaces.
Use two separate lines to remove .tgz and .md5.
Change-Id: Ib7e5995aa6914e34f8b7bbb8a8ed46ff9230a913
diff --git a/contrib/jenkins-build-common.sh b/contrib/jenkins-build-common.sh
index a5b34af..39046ef 100644
--- a/contrib/jenkins-build-common.sh
+++ b/contrib/jenkins-build-common.sh
@@ -56,7 +56,8 @@
env | grep -v "^LESS" | sort
# clean the workspace
-rm -f "$base"/*.build-*.{tgz,md5}
+rm -f "$base"/*.build-*.tgz
+rm -f "$base"/*.build-*.md5
rm -rf "$prefix_real"
mkdir -p "$prefix_real"