tools: convert bitfields to unsigned type

clang complains about the signed type:

implicit truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1 [-Wsingle-bit-bitfield-constant-conversion]

The potential ABI change in libxenvchan is covered by the Xen version based SONAME.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>

tools/include/libxenvchan.h

@@ -79,11 +79,11 @@ struct libxenvchan {
 	xenevtchn_handle *event;
 	uint32_t event_port;
 	/* informative flags: are we acting as server? */
-	int is_server:1;
+	unsigned int is_server:1;
 	/* true if server remains active when client closes (allows reconnection) */
-	int server_persist:1;
+	unsigned int server_persist:1;
 	/* true if operations should block instead of returning 0 */
-	int blocking:1;
+	unsigned int blocking:1;
 	/* communication rings */
 	struct libxenvchan_ring read, write;
 	/**

tools/xentrace/xenalyze.c

@@ -1377,7 +1377,7 @@ struct hvm_data {
     tsc_t exit_tsc, arc_cycles, entry_tsc;
     unsigned long long rip;
     unsigned exit_reason, event_handler;
-    int short_summary_done:1, prealloc_unpin:1, wrmap_bf:1;
+    unsigned int short_summary_done:1, prealloc_unpin:1, wrmap_bf:1;
 
     /* Immediate processing */
     void *d;
@@ -8235,13 +8235,13 @@ void mem_set_p2m_entry_process(struct pcpu_info *p)
 
     struct {
         uint64_t gfn, mfn;
-        int p2mt;
-        int d:16,order:16;
+        uint32_t p2mt;
+        uint16_t d, order;
     } *r = (typeof(r))ri->d;
 
     if ( opt.dump_all )
     {
-        printf(" %s set_p2m_entry d%d o%d t %d g %llx m %llx\n",
+        printf(" %s set_p2m_entry d%u o%u t %u g %llx m %llx\n",
                ri->dump_header,
                r->d, r->order,
                r->p2mt,