WoE: while (..) {} instead of while(..);

"warning: suggest a space before ';' or explicit braces around empty body"

Change-Id: I71a55cc888d3480217621491ecace7d0af3dca6e
Reviewed-on: https://gerrit.libreoffice.org/9441
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
Tested-by: Tomaž Vajngerl <quikee@gmail.com>