Merge pull request #63 from riscv/crc64

Accept 64-bit addresses in CRC requests.

Author: palmer-dabbelt

src/server/gdb_server.c

@@ -2435,7 +2435,7 @@ static int gdb_query_packet(struct connection *connection,
 			char gdb_reply[10];
 			char *separator;
 			uint32_t checksum;
-			uint32_t addr = 0;
+			target_addr_t addr = 0;
 			uint32_t len = 0;
 
 			/* skip command character */