Added error handler implemetation to rtlMalloc() and rtlRealloc() functions.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
HPCC-9324 Error handler missing after malloc() call several places in
eclrtl.cpp

Replace all malloc() function calls to rtlMalloc() which is handles the memory
allocation error.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Reworked after review.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Reworked after re-review.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Reworked after re-re-review.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Reworked after re-re-review.

Signed-off-by: Attila Vamos <attila.vamos@gmail.com>
Merge pull request #4393 from AttilaVamos/HPCC-9324-improvement

HPCC-9324 Error handler missing after malloc() call several places in  eclrtl.cpp

Reviewed-By: Gavin Halliday <gavin.halliday@lexisnexis.com>Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>