messages: Initializing uninitialized members module messages
Fixes coverity Issue:
** 2. uninit_member: Non-static class member flags is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member epoch is not initialized in this constructor nor in any functions that it calls.
CID 717301 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
6. uninit_member: Non-static class member failed_for is not initialized in this constructor nor in any functions that it calls.
2. uninit_member: Non-static class member oldest_map is not initialized in this constructor nor in any functions that it calls.
CID 717302 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member newest_map is not initialized in this constructor nor in any functions that it calls.
2. uninit_member: Non-static class member client_inc is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member osdmap_epoch is not initialized in this constructor nor in any functions that it calls.
6. uninit_member: Non-static class member flags is not initialized in this constructor nor in any functions that it calls.
8. uninit_member: Non-static class member retry_attempt is not initialized in this constructor nor in any functions that it calls.
CID 717303 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
10. uninit_member: Non-static class member features is not initialized in this constructor nor in any functions that it calls.
2. uninit_member: Non-static class member flags is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member user_version is not initialized in this constructor nor in any functions that it calls.
6. uninit_member: Non-static class member osdmap_epoch is not initialized in this constructor nor in any functions that it calls.
CID 717304 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
8. uninit_member: Non-static class member retry_attempt is not initialized in this constructor nor in any functions that it calls.
2. uninit_member: Non-static class member op is not initialized in this constructor nor in any functions that it calls.
4. uninit_member: Non-static class member map_epoch is not initialized in this constructor nor in any functions that it calls.
CID 717305 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
6. uninit_member: Non-static class member query_epoch is not initialized in this constructor nor in any functions that it calls.
CID 717306 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
2. uninit_member: Non-static class member epoch is not initialized in this constructor nor in any functions that it calls.