Proper detection of targets.
Proper detection of targets.

Previously, targets could be missed if the only file included from a
target was a header file without a corresponding cpp-file. This is now
fixed.

Signed-off-by: Filip Strömbäck <2ef5456543de0d5ad676df4489c13f19e150e199@gmail.com>

fstromback/mymake,fstromback/mymake,fstromback/mymake