HG: fix protocol delimiter to prevent conflict with libfabric (fix
# define HG_CORE_UUID_MAX_LEN 36
# define HG_CORE_ADDR_MAX_SIZE 256
# define HG_CORE_PROTO_DELIMITER ":"
-# define HG_CORE_ADDR_DELIMITER ";"
+# define HG_CORE_ADDR_DELIMITER "#"
# define HG_CORE_MIN(a, b) (a < b) ? a : b /* Min macro */
#endif
