Add guards to not apply list_to_binary/1 to binary Replace concat_binary/1 (obsolete) with list_to_binary/1 (cherry picked from commit 61dd02200998cd4b5eced536528f13ab667063f5)
Add guards to not apply list_to_binary/1 to binary
Replace concat_binary/1 (obsolete) with list_to_binary/1
(cherry picked from commit 61dd02200998cd4b5eced536528f13ab667063f5)

Signed-off-by: Andreas Schultz <6963656cd5f1036a86f38d6c01e67c3f63074c58@tpip.net>

JPCU/dragon,surik/eradius