This change avoids:
print-rsvp.c:1205:40: runtime error: implicit conversion from type 'int'
of value -8 (32-bit, signed) to type 'unsigned int' changed the value
to
4294967288 (32-bit, unsigned)
#0 0x848e20f in rsvp_obj_print ./print-rsvp.c:1205:40
#define RSVP_OBJ_XRO_MASK_SUBOBJ(x) ((x)&0x7f)
#define RSVP_OBJ_XRO_MASK_LOOSE(x) ((x)&0x80)
-#define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7
+#define RSVP_OBJ_CAPABILITY_FLAGS_MASK 0x7U
#define RSVP_OBJ_XRO_RES 0
#define RSVP_OBJ_XRO_IPV4 1