convert svx/source/accessibility/*.cxx from String to OUString

Change-Id: I98ddae6dafea9c52e4b96274c5f2881d929cf096

svx/source/accessibility/charmapacc.cxx

@@ -696,7 +696,7 @@ OUString SAL_CALL SvxShowCharSetItemAcc::getAccessibleDescription()
 {
     OExternalLockGuard aGuard( this );
     ensureAlive();
-    String sDescription = SVX_RESSTR( RID_SVXSTR_CHARACTER_CODE );
+    OUString sDescription = SVX_RESSTR( RID_SVXSTR_CHARACTER_CODE );
 
     sal_Unicode c = mpParent->maText[0];
     char buf[16] = "0x0000";
@@ -709,7 +709,7 @@ OUString SAL_CALL SvxShowCharSetItemAcc::getAccessibleDescription()
     }
     if( c < 256 )
         snprintf( buf+6, 10, " (%d)", c );
-    sDescription.AppendAscii(buf);
+    sDescription += OUString(buf, strlen(buf), RTL_TEXTENCODING_ASCII_US);
 
     return sDescription;
 }

svx/source/core/graphichelper.cxx

@@ -207,12 +207,12 @@ void GraphicHelper::SaveShapeAsGraphic( const Reference< drawing::XShape >& xSha
         OUString aMimeType;
 
         SvtPathOptions aPathOpt;
-        String sGraphicPath( aPathOpt.GetGraphicPath() );
+        OUString sGraphicPath( aPathOpt.GetGraphicPath() );
 
         FileDialogHelper aDialogHelper( TemplateDescription::FILESAVE_AUTOEXTENSION, 0 );
         Reference < XFilePicker > xFilePicker = aDialogHelper.GetFilePicker();
 
-        aDialogHelper.SetTitle( OUString( "Save as Picture" ) );
+        aDialogHelper.SetTitle( "Save as Picture" );
 
         INetURLObject aPath;
         aPath.SetSmartURL( sGraphicPath );