Compensate for `set -u` when LO_ELFCHECK_WHITELIST is unset

...as happens e.g. in
<https://ci.libreoffice.org/job/lo_daily_update_gandalf/515/>.  (Regression
introduced with d157e510252636d3519c71415c20dfd113d40960
"check-elf-dynamic-objects: allow extending the whitelist via env-var".)

Change-Id: I93097d0bb7781b1bfac818872f40bbe38c5f5fea

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/check-elf-dynamic-objects b/bin/check-elf-dynamic-objects
index 68a2acf4beec..c1b69e6ec61d 100755
--- a/bin/check-elf-dynamic-objects
+++ b/bin/check-elf-dynamic-objects
@@ -88,7 +88,7 @@ programfiles=$(echo ${files} | grep -o '/program/[^/]* ' | xargs -n 1 basename)
 # of maintaining ABI stability
 # allow extending the whitelist using the environment variable to be able to work
 # on the installer stuff without the need for a baseline setup
-globalwhitelist="ld-linux-x86-64.so.2 ld-linux.so.2 libc.so.6 libm.so.6 libdl.so.2 libpthread.so.0 librt.so.1 libutil.so.1 libnsl.so.1 libcrypt.so.1 libgcc_s.so.1 libstdc++.so.6 libz.so.1 libfontconfig.so.1 libfreetype.so.6 libxml2.so.2 libxslt.so.1 libexslt.so.0 ${LO_ELFCHECK_WHITELIST}"
+globalwhitelist="ld-linux-x86-64.so.2 ld-linux.so.2 libc.so.6 libm.so.6 libdl.so.2 libpthread.so.0 librt.so.1 libutil.so.1 libnsl.so.1 libcrypt.so.1 libgcc_s.so.1 libstdc++.so.6 libz.so.1 libfontconfig.so.1 libfreetype.so.6 libxml2.so.2 libxslt.so.1 libexslt.so.0 ${LO_ELFCHECK_WHITELIST-}"
 x11whitelist="libX11.so.6 libXext.so.6 libSM.so.6 libICE.so.6 libXinerama.so.1 libXrender.so.1 libXrandr.so.2 libcairo.so.2"
 openglwhitelist="libGL.so.1"
 giowhitelist="libgio-2.0.so.0 libgobject-2.0.so.0 libgmodule-2.0.so.0 libgthread-2.0.so.0 libglib-2.0.so.0 libdbus-glib-1.so.2 libdbus-1.so.3"