kdeedu-4.2.4 to 4.2.4_1 facile.cmxa compile error

[Troy]

I was just upgrading from kdeedu-4.2.4 to 4.2.4_1 and the following error
occurred.  

[ 12%] Generating solver.o
File "_none_", line 1, characters 0-1:
Error: Files /usr/local/lib/ocaml/facile/facile.cmxa
       and /usr/local/lib/ocaml/stdlib.cmxa
       make inconsistent assumptions over implementation Printf
*** Error code 2

Stop in /usr/ports/misc/kdeedu4/work/kdeedu-4.2.4/build.
*** Error code 1

Stop in /usr/ports/misc/kdeedu4/work/kdeedu-4.2.4/build.
*** Error code 1

Stop in /usr/ports/misc/kdeedu4/work/kdeedu-4.2.4/build.
*** Error code 1

Stop in /usr/ports/misc/kdeedu4.
Exit 1