Fix other-licenses to match the rest of bug 281988 part 2.

other-licenses/branding/firefox/content/jar.mn

@@ -1,5 +1,5 @@
 browser.jar:
-  content/branding/contents.rdf                  (contents.rdf)
+% content branding %content/branding/ xpcnativewrappers=yes
   content/branding/about.png                     (about.png)
   content/branding/aboutCredits.png              (aboutCredits.png)
   content/branding/aboutFooter.png               (aboutFooter.png)

other-licenses/branding/thunderbird/content/jar.mn

@@ -1,5 +1,5 @@
 messenger.jar:
-  content/branding/contents.rdf                  (contents.rdf)
+% content branding %content/branding/ xpcnativewrappers=yes
   content/branding/about-credits.png             (about-credits.png)
   content/branding/about-thunderbird.png         (about-thunderbird.png)
   content/branding/thunderbird-wizard-badge.png  (thunderbird-wizard-badge.png)