loplugin:unnecessaryparen

Change-Id: Ifeacfc198c71ae1224ef38a4c8b95b31364f8227
diff --git a/sdext/source/pdfimport/pdfparse/pdfparse.cxx b/sdext/source/pdfimport/pdfparse/pdfparse.cxx
index 8337930..9fa0545 100644
--- a/sdext/source/pdfimport/pdfparse/pdfparse.cxx
+++ b/sdext/source/pdfimport/pdfparse/pdfparse.cxx
@@ -243,7 +243,7 @@ public:
                                >> uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)]
                                >> ch_p('.')
                                >> uint_p[boost::bind(&PDFGrammar::push_back_action_uint, pSelf, _1)]
                                >> *((~ch_p('\r') & ~ch_p('\n')))
                                >> *(~ch_p('\r') & ~ch_p('\n'))
                                >> eol_p
                             ])[boost::bind(&PDFGrammar::haveFile,pSelf, _1, _2)]
                          >> *( comment | object | ( xref >> trailer ) );