a replace() to OUStringBuffer
a replace() to OUStringBuffer

Change-Id: I2cbfeea9800ad656c49ce1cae7ff1f4b830f1442
Reviewed-on: https://gerrit.libreoffice.org/1139
Reviewed-by: Norbert Thiebaud <4a068946920c47769d700757a47cfec2afcce997@gmail.com>
Tested-by: Norbert Thiebaud <4a068946920c47769d700757a47cfec2afcce997@gmail.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core