packaging: add missing submodule

The ZXing-C++ library was recently added to the project as a git
submodule, but some of the packaging scripts were not updated
accordingly.

GitLab: #1947
Change-Id: Ic5324bd807e30bec44c0e07076b1f38903e12895

extras/packaging/gnu-linux/Jenkinsfile

@@ -33,7 +33,8 @@
 def SUBMODULES = ['daemon',
                   '3rdparty/SortFilterProxyModel',
                   '3rdparty/md4c',
-                  '3rdparty/tidy-html5']
+                  '3rdparty/tidy-html5',
+                  '3rdparty/zxing-cpp']
 def TARGETS = [:]
 def REMOTE_HOST = env.SSH_HOST_DL_RING_CX
 def REMOTE_BASE_DIR = '/srv/repository/ring'

extras/packaging/gnu-linux/Makefile

@@ -127,7 +127,8 @@ $(RELEASE_TARBALL_FILENAME): tarballs.manifest
 	    . \
 	    ./3rdparty/SortFilterProxyModel \
 	    ./3rdparty/md4c \
-	    ./3rdparty/tidy-html5; do \
+	    ./3rdparty/tidy-html5 \
+	    ./3rdparty/zxing-cpp; do \
 	  (cd "$$m" && git archive --prefix "$$m/" HEAD \
 	    | tar xf - -C $(TMPDIR)/$(RELEASE_DIRNAME)); \
 	done

extras/scripts/build-windows.py

@@ -211,6 +211,7 @@ def init_submodules():
         "3rdparty/SortFilterProxyModel",
         "3rdparty/md4c",
         "3rdparty/tidy-html5",
+        "3rdparty/zxing-cpp",
     ]
     if execute_cmd(["git", "submodule", "update", "--init" ] + submodules,
                    False):