Remove most trailing newlines from translated messages.

They are a hassle for translators and reviewers alike.

Change-Id: I07c1b61e8b6719e54fdc1f69cf63f573119a6776
Reviewed-by: hjk <hjk121@nokiamail.com>
Reviewed-by: Robert Loehning <robert.loehning@digia.com>
Reviewed-by: Eike Ziller <eike.ziller@digia.com>

src/plugins/debugger/gdb/coregdbadapter.cpp

@@ -211,8 +211,9 @@ void GdbCoreEngine::handleTargetCore(const GdbResponse &response)
         postCommand("p 5", CB(handleRoundTrip));
         return;
     }
-    QString msg = tr("Attach to core \"%1\" failed:\n")
+    QString msg = tr("Attach to core \"%1\" failed:")
         .arg(startParameters().coreFile)
+        + QLatin1Char('\n')
         + QString::fromLocal8Bit(response.data["msg"].data());
     notifyInferiorSetupFailed(msg);
 }