Fix build under older gcc

src/client/msgr_iothread.cpp

@@ -3,6 +3,7 @@
 
 #include <stdexcept>
 #include <sys/poll.h>
+#include <unistd.h>
 
 #include "messenger.h"
 #include "msgr_iothread.h"

src/cmd/cli_raw_ls.cpp

@@ -120,7 +120,7 @@ struct cli_raw_ls_t
             fprintf(stderr, "Selected PG %u\n", pg_num);
         }
         parent->cli->init_msgr();
-        osd_list = std::vector(osds.begin(), osds.end());
+        osd_list = std::vector<osd_num_t>(osds.begin(), osds.end());
         osd_pos = 0;
         state = 1;
     resume_1: