The build fails when compiling with mingw32. Correct the build of a
unix tests on unix only.
https://bugzilla.gnome.org/show_bug.cgi?id=649973
1bit_emufutex_CFLAGS = -DTEST_EMULATED_FUTEX
1bit_emufutex_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
+if OS_UNIX
TEST_PROGS += unix-multithreaded
unix_multithreaded_SOURCES = $(top_srcdir)/glib/tests/unix.c
unix_multithreaded_CFLAGS = -DTEST_THREADED
unix_multithreaded_LDADD = $(progs_ldadd) $(top_builddir)/gthread/libgthread-2.0.la
+endif
TEST_PROGS += atomic
atomic_SOURCES = atomic.c