gitlab-ci: print tshark --version for OpenSUSE and Debian

Add missing output directory for Debian (obj-x86_64-linux-gnu). Restore
a working LD_LIBRARY_PATH setting for OpenSUSE, this has never worked
since v3.1.0rc0-590-gc77ee0008d.

Change-Id: I4f2c2e4636e7dd0233e7f08a88ba3789b021f274
Reviewed-on: https://code.wireshark.org/review/36378
Reviewed-by: Peter Wu <peter@lekensteyn.nl>

.gitlab-ci.yml

@@ -1,7 +1,8 @@
 .build: &build
   stage: build
   after_script:
-    - for builddir in build/packaging/rpm/BUILD/wireshark-*/build build/packaging/rpm/BUILD/wireshark-* build; do [ ! -d "$builddir" ] || break; done
+    - for builddir in build/packaging/rpm/BUILD/wireshark-*/build build/packaging/rpm/BUILD/wireshark-* build obj-*; do [ ! -d "$builddir/run" ] || break; done
+    - if [[ "$CI_JOB_NAME" == "build:rpm-opensuse-"* ]]; then export LD_LIBRARY_PATH=$builddir/run; fi
     - if [ -f $builddir/run/tshark ]; then $builddir/run/tshark --version; fi
 
 # The custom Ubuntu image pre-installs dependencies and compilers to speed up the build:
@@ -116,8 +117,8 @@ test:rpm-fedora:
 
 # Job to generate packages for Debian stable
 build:debian-stable:
+  <<: *build
   image: debian:stable
-  stage: build
   before_script:
     - ./tools/debian-setup.sh --install-optional --install-test-deps -y --install-deb-deps
   script: