minor patch for Array<T>::delete_elements_2

[Jaroslav Hajek]

hi,
it appears that I've inadvertently omitted a return in
Array<T>::delete_elements_2. Since this method is never called
directly,
it probably does not cause any actual problems, but triggers a warning
("variable may be used uninitialized") when building,
hence the attached patch. I've already applied this fix to 3.0.x to
not delay further the rc2.

regards

-- 
RNDr. Jaroslav Hajek
computing expert
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz

delelem_fix.diff
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