loplugin:returnconstant in SvxCSS1Parser

Change-Id: I890fe1c116c487a6065f4b47d3f9cebe4803ef77
Reviewed-on: https://gerrit.libreoffice.org/58963
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

sw/source/filter/html/parcss1.cxx

@@ -1121,7 +1121,7 @@ CSS1Parser::~CSS1Parser()
 {
 }
 
-bool CSS1Parser::ParseStyleSheet( const OUString& rIn )
+void CSS1Parser::ParseStyleSheet( const OUString& rIn )
 {
     OUString aTmp( rIn );
 
@@ -1144,13 +1144,11 @@ bool CSS1Parser::ParseStyleSheet( const OUString& rIn )
         aTmp = aTmp.copy( 0, aTmp.getLength() - 3 );
 
     if( aTmp.isEmpty() )
-        return true;
+        return;
 
     InitRead( aTmp );
 
     ParseStyleSheet();
-
-    return true;
 }
 
 void CSS1Parser::ParseStyleOption( const OUString& rIn )

sw/source/filter/html/parcss1.hxx

@@ -219,9 +219,8 @@ protected:
      * or DeclarationParsed() need to be called afterwards
      *
      * @param rIn the style element as string
-     * @return true if ???
      */
-    bool ParseStyleSheet( const OUString& rIn );
+    void ParseStyleSheet( const OUString& rIn );
 
     /** parse the content of a HTML style option
      *

sw/source/filter/html/svxcss1.cxx

@@ -832,7 +832,7 @@ bool SvxCSS1Parser::ParseStyleSheet( const OUString& rIn )
     pItemSet = pSheetItemSet.get();
     pPropInfo = pSheetPropInfo.get();
 
-    bool bSuccess = CSS1Parser::ParseStyleSheet( rIn );
+    CSS1Parser::ParseStyleSheet( rIn );
 
     for (std::unique_ptr<CSS1Selector> & rpSelector : m_Selectors)
     {
@@ -847,7 +847,7 @@ bool SvxCSS1Parser::ParseStyleSheet( const OUString& rIn )
     pItemSet = nullptr;
     pPropInfo = nullptr;
 
-    return bSuccess;
+    return true;
 }
 
 void SvxCSS1Parser::ParseStyleOption( const OUString& rIn,