[Sheepdog] varies printf type typo

[huxinwei]

Hi list,

  I found several printf related type errors in 32-bit linux environment.
  Here's the trivial patch to fix them.

  FYI.

diff --git a/collie/common.c b/collie/common.c
index 32ba0b6..f4301c4 100644
--- a/collie/common.c
+++ b/collie/common.c
@@ -68,12 +68,12 @@ int sd_read_object(uint64_t oid, void *data, unsigned int datalen,
 	close(fd);
 
 	if (ret) {
-		fprintf(stderr, "Failed to read object %lx\n", oid);
+		fprintf(stderr, "Failed to read object %" PRIx64 "\n", oid);
 		return SD_RES_EIO;
 	}
 
 	if (rsp->result != SD_RES_SUCCESS) {
-		fprintf(stderr, "Failed to read object %lx %s\n", oid,
+		fprintf(stderr, "Failed to read object %" PRIx64 " %s\n", oid,
 			sd_strerror(rsp->result));
 		return rsp->result;
 	}
@@ -112,11 +112,11 @@ int sd_write_object(uint64_t oid, uint64_t cow_oid, void *data, unsigned int dat
 	close(fd);
 
 	if (ret) {
-		fprintf(stderr, "Failed to write object %lx\n", oid);
+		fprintf(stderr, "Failed to write object %" PRIx64 "\n", oid);
 		return SD_RES_EIO;
 	}
 	if (rsp->result != SD_RES_SUCCESS) {
-		fprintf(stderr, "Failed to write object %lx: %s\n", oid,
+		fprintf(stderr, "Failed to write object %" PRIx64 ": %s\n", oid,
 				sd_strerror(rsp->result));
 		return rsp->result;
 	}
diff --git a/sheep/store.c b/sheep/store.c
index 4d90923..256feae 100644
--- a/sheep/store.c
+++ b/sheep/store.c
@@ -1614,7 +1614,7 @@ static int request_obj_list(struct sd_node *e, uint32_t epoch,
 		return -1;
 	}
 
-	dprintf("%lu\n", rsp->data_length / sizeof(uint64_t));
+	dprintf("%"PRIu32"\n", rsp->data_length / sizeof(uint64_t));
 
 	return rsp->data_length / sizeof(uint64_t);
 }