d/t.lintian-overrides: Update entries due renamed tags

Small updates to the overrides rules for the thunderbird package as some
Lintian tags got renamed.

debian/thunderbird.lintian-overrides

 # The embedded libjpeg is libjpeg-turbo, not libjpeg.
-thunderbird: embedded-library usr/lib/thunderbird/libxul.so: libjpeg
+thunderbird: embedded-library libjpeg usr/lib/thunderbird/libxul.so
 # Upstream code is not ready to use system library.
-#thunderbird: embedded-library usr/lib/thunderbird/libxul.so: srtp
-thunderbird: embedded-library usr/lib/thunderbird/libxul.so: libtheora
+#thunderbird: embedded-library srtp usr/lib/thunderbird/libxul.so
+thunderbird: embedded-library libtheora usr/lib/thunderbird/libxul.so
 # The embedded libpng is patched for APNG support.
-thunderbird: embedded-library usr/lib/thunderbird/libxul.so: libpng
+thunderbird: embedded-library libpng usr/lib/thunderbird/libxul.so
 # We currently need to use the embedded libjsoncpp library.
-thunderbird: embedded-library usr/lib/thunderbird/libxul.so: libjsoncpp
-
-# This is a false positive, can be ignored.
-thunderbird: maintainer-script-supports-ancient-package-version postinst:74 5.0-1 (2011-08-03 < 2017-06-18)
+thunderbird: embedded-library libjsoncpp usr/lib/thunderbird/libxul.so
 
 ## Uncomment entries if NSPR4 and/or NSS3 are not available in the archive
 # NSPR isn't packaged in the required version yet