main/fftw: CMake file references non-existing file
Line 13 in /usr/lib/cmake/fftw3/FFTW3Config.cmake
refers to FFTW3LibraryDepends.cmake
but that file doesn't exist anywhere. This is currently preventing updating of community/krita
which breaks on this, https://gitlab.alpinelinux.org/alpine/aports/-/jobs/1181321#L6851
CC @EvTheFuture