qmlplugindump: Fix missing flush for objects that don't fit a line.

The missing flush could result in script bindings appearing after the
closing brace of an object.

Change-Id: If05764619668cc4a86f7364f6cd7feeb0d6f6e32
Reviewed-by: Leandro Melo <leandro.melo@nokia.com>

tools/qmlplugindump/qmlstreamwriter.cpp

@@ -93,8 +93,7 @@ void QmlStreamWriter::writeEndObject()
         m_pendingLineLength = 0;
         m_maybeOneline = false;
     } else {
-        if (m_maybeOneline)
-            flushPotentialLinesWithNewlines();
+        flushPotentialLinesWithNewlines();
         --m_indentDepth;
         writeIndent();
         m_stream->write("}\n");