tests/Makefile: test-image-locking needs CONFIG_POSIX

test-image-locking.c uses the qemu_lock_fd_test() function which is
only available on POSIX-like systems.

Message-Id: <20200804170055.2851-4-thuth@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-Id: <20200823111757.72002-4-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/Makefile.include

@@ -87,7 +87,9 @@ check-unit-$(CONFIG_BLOCK) += tests/test-blockjob$(EXESUF)
 check-unit-$(CONFIG_BLOCK) += tests/test-blockjob-txn$(EXESUF)
 check-unit-$(CONFIG_BLOCK) += tests/test-block-backend$(EXESUF)
 check-unit-$(CONFIG_BLOCK) += tests/test-block-iothread$(EXESUF)
+ifeq ($(CONFIG_POSIX),y)
 check-unit-$(CONFIG_BLOCK) += tests/test-image-locking$(EXESUF)
+endif
 check-unit-y += tests/test-x86-cpuid$(EXESUF)
 # all code tested by test-x86-cpuid is inside topology.h
 ifeq ($(CONFIG_SOFTMMU),y)