memleak in normalize_mods2bvals
do not re malloc the berval again - only need to do it once
Reviewed by: nhosoi (Thanks!)
(cherry picked from commit f6e4d3d0d4313ef9b4396ab8433a1c260989274b)
(cherry picked from commit b05139ba374e947fad681d6c97af5dc3800c4bda)