dvd_region: #include ioctl.c instead of linking against the object file

On non-Linux platform dvd_region uses static functions from ioctl.c,
so just linking against the object file is not enough.

Makefile.am

@@ -39,7 +39,7 @@ test_csstest_SOURCES = test/csstest.c
 test_csstest_LDADD = libdvdcss.la
 test_csstest_CFLAGS = -I $(top_srcdir)/src
 
-test_dvd_region_SOURCES = test/dvd_region.c src/ioctl.c
+test_dvd_region_SOURCES = test/dvd_region.c
 test_dvd_region_LDADD = libdvdcss.la
 test_dvd_region_CFLAGS = -I $(top_srcdir)/src
 

test/dvd_region.c

@@ -22,6 +22,9 @@
 #include "common.h"
 #include "ioctl.h"
 
+/* On non-Linux platforms static functions from ioctl.c are used. */
+#include "ioctl.c"
+
 #define DEFAULT_DEVICE "/dev/dvd"
 
 /*****************************************************************************