bug 421958: ServerJob suppresses some Exceptions 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=421958

fix suppressed error in ScoutServerJobWrapperStatement

Change-Id: I267adc5e531c1cbf464cd8bdb436dcb2d15c9148
Signed-off-by: Judith Gull <jgu@bsiag.com>
Reviewed-on: https://git.eclipse.org/r/38025
Tested-by: Hudson CI