Adding missing header includes to botlib files. Thanks to Ben Millwood for patch. (#4237)

code/botlib/be_aas_cluster.c

@@ -42,6 +42,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 #include "be_aas.h"
 #include "be_aas_funcs.h"
 #include "be_aas_def.h"
+#include "be_aas_cluster.h"
 
 extern botlib_import_t botimport;