find: tweak error message

big find:
find: missing argument to `-exec'
we now say
find: -exec requires an argument
instead of the cryptic message we emitted previously.
Additional benefit is that it's now 23 bytes smaller.

Add TODO to add '-exec {} +' support

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
1 file changed