control: Suggest daemon on Linux only

We don't build it at all on non-Linux.

debian/control

@@ -75,7 +75,7 @@ Depends:
  ${shlibs:Depends},
 Suggests:
  libvirt-clients-qemu (= ${binary:Version}) [amd64 arm64 armel armhf i386 mips64el mipsel powerpc ppc64 ppc64el riscv64 s390x sparc64 x32],
- libvirt-daemon (= ${binary:Version}),
+ libvirt-daemon (= ${binary:Version}) [linux-any],
  libvirt-login-shell (= ${binary:Version}) [alpha amd64 arm64 armel armhf hppa i386 m68k mips64el mipsel powerpc ppc64 ppc64el riscv64 s390x sh4 sparc64 x32],
 Breaks:
  libvirt-daemon (<< 6.9.0-2~),

debian/control.in

@@ -75,7 +75,7 @@ Depends:
  ${shlibs:Depends},
 Suggests:
  libvirt-clients-qemu (= ${binary:Version}) [${ARCHES_QEMU}],
- libvirt-daemon (= ${binary:Version}),
+ libvirt-daemon (= ${binary:Version}) [linux-any],
  libvirt-login-shell (= ${binary:Version}) [${ARCHES_LXC}],
 Breaks:
  libvirt-daemon (<< 6.9.0-2~),