[tests] adds missing %{dep:file}

tests/fc_script/build-callgraph.i

tests/metrics/used-files.i

tests/pdg/dyn_dpds.c

tests/pdg/loops.c

tests/scope/scope.c

tests/scope/zones.c

tests/slicing/bts335.i

tests/slicing/horwitz.i

tests/spec/lib.c

tests/spec/merge_1.i

tests/spec/merge_bts938.c

tests/spec/merge_different_assigns.i

tests/spec/model1.c

tests/spec/use.c

tests/syntax/bts0442-2.i

tests/syntax/bts0442.i

tests/syntax/bts0672_link.c

tests/syntax/extern_init.i

tests/syntax/inconsistent_decl.c

tests/syntax/inline_def_1.i