rename HOST_BSD to CONFIG_BSD

Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/block.c b/block.c
index 39f726c..82ffea8 100644
--- a/block.c
+++ b/block.c
@@ -22,7 +22,7 @@
  * THE SOFTWARE.
  */
 #include "config-host.h"
-#ifdef HOST_BSD
+#ifdef CONFIG_BSD
 /* include native header before sys-queue.h */
 #include <sys/queue.h>
 #endif
@@ -32,7 +32,7 @@
 #include "block_int.h"
 #include "module.h"
 
-#ifdef HOST_BSD
+#ifdef CONFIG_BSD
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>