minor symfony#98 Sync Brazilian Portuguese translation (davialexandre)

This PR was merged into the master branch.

Discussion
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Sync Brazilian Portuguese translation

Commits
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62cdb67 Sync Brazilian Portuguese translation

Author: javiereguiluz

app/Resources/translations/messages.pt_BR.xliff

@@ -51,6 +51,10 @@
                 <source>title.add_comment</source>
                 <target>Adicionar um comentário</target>
             </trans-unit>
+            <trans-unit id="title.comment_error">
+                <source>title.comment_error</source>
+                <target>Houve um erro ao publicar o seu comentário</target>
+            </trans-unit>
 
             <trans-unit id="action.show">
                 <source>action.show</source>