loplugin:stringadd simplify some *StringBuffer operations

pulled from a larger patch which I created with a more permissive
variant of this plugin

Change-Id: I7abf1f3f09e84703b6e0e52fe9587dff691b2187
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114875
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 4 insertions, 10 deletions

diff --git a/sd/source/ui/remotecontrol/ImagePreparer.cxx b/sd/source/ui/remotecontrol/ImagePreparer.cxx
index c65a5d4c48df..8279ddf33b4e 100644
--- a/sd/source/ui/remotecontrol/ImagePreparer.cxx
+++ b/sd/source/ui/remotecontrol/ImagePreparer.cxx
@@ -89,16 +89,10 @@ void ImagePreparer::sendPreview( sal_uInt32 aSlideNumber )
         aStrBuffer.makeStringAndClear(), RTL_TEXTENCODING_UTF8 );
 
     // Start the writing
-    OStringBuffer aBuffer;
-
-    aBuffer.append( "slide_preview\n" );
-
-    aBuffer.append( static_cast<sal_Int32>(aSlideNumber) );
-    aBuffer.append( "\n" );
-
-    aBuffer.append( aEncodedShortString.getStr() );
-    aBuffer.append( "\n\n" );
-    pTransmitter->addMessage( aBuffer.makeStringAndClear(),
+    OString aBuffer =  "slide_preview\n" +
+        OString::number(aSlideNumber) +
+        "\n" + aEncodedShortString + "\n\n";
+    pTransmitter->addMessage( aBuffer,
         Transmitter::PRIORITY_LOW );
 
 }