loplugin:unnecessaryparen (clang-cl)

Change-Id: I2c5aa4c5c3a100de87d3f873b371dded994e4a7c
Reviewed-on: https://gerrit.libreoffice.org/46200Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

connectivity/source/drivers/ado/ADatabaseMetaDataImpl.cxx

@@ -87,7 +87,7 @@ sal_Int32 ODatabaseMetaData::getMaxSize(sal_uInt32 _nId)
     sal_Int32 nSize = 0;
     std::map<sal_uInt32,LiteralInfo>::const_iterator aIter = m_aLiteralInfo.find(_nId);
     if(aIter != m_aLiteralInfo.end() && (*aIter).second.fSupported)
-        nSize = (static_cast<sal_Int32>((*aIter).second.cchMaxLen) == (-1)) ? 0 : (*aIter).second.cchMaxLen;
+        nSize = (static_cast<sal_Int32>((*aIter).second.cchMaxLen) == -1) ? 0 : (*aIter).second.cchMaxLen;
     return nSize;
 }