ftl: fix build
ftl: fix build

The dep file generation does not work. Trick it by creating an empty
file, then the build goes ok.

Begasus/haikuports,Begasus/haikuports,nielx/haikuports,moochris/haikuports,nielx/haikuports,haikuports/haikuports,haikuports/haikuports,moochris/haikuports,nielx/haikuports,Begasus/haikuports,haikuports/haikuports,Begasus/haikuports,haikuports/haikuports,haikuports/haikuports,moochris/haikuports,Begasus/haikuports