fchosttest: Run the test only under linux

Currently, we have functions to handle fc_host implemented just
for linux. On all other platforms an error is thrown. It makes no
sense to run the test on those platforms then.
Signed-off-by: NMichal Privoznik <mprivozn@redhat.com>

tests/Makefile.am

@@ -129,9 +129,12 @@ test_programs = virshtest sockettest \
         virportallocatortest \
 	sysinfotest \
 	virstoragetest \
-        fchosttest \
 	$(NULL)
 
+if WITH_LINUX
+test_programs += fchosttest
+endif WITH_LINUX
+
 if WITH_LIBVIRTD
 test_programs += fdstreamtest
 endif WITH_LIBVIRTD
@@ -845,10 +848,15 @@ fdstreamtest_SOURCES = \
 	fdstreamtest.c testutils.h testutils.c
 fdstreamtest_LDADD = $(LDADDS)
 
+if WITH_LINUX
 fchosttest_SOURCES = \
        fchosttest.c testutils.h testutils.c
 fchosttest_LDADD = $(LDADDS)
 
+else ! WITH_LINUX
+EXTRA_DIST += fchosttest.c
+endif  ! WITH_LINUX
+
 if WITH_CIL
 CILOPTFLAGS =
 CILOPTINCS =