messages: Initialization of members module messages

messages: Initialization of members module messages

Fixes coverity issues:

** 1054864 Uninitialized scalar field
2. uninit_member: Non-static class member op is not initialized
in this constructor nor in any functions that it calls.
CID 1054864 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member version is not initialized
in this constructor nor in any functions that it calls.

** 1054865 Uninitialized scalar field
2. uninit_member: Non-static class member map_epoch is not initialized
in this constructor nor in any functions that it calls.
CID 1054865 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member min_epoch is not initialized
in this constructor nor in any functions that it calls.

** 1054866 Uninitialized scalar field
2. uninit_member: Non-static class member map_epoch is not initialized
in this constructor nor in any functions that it calls.
CID 1054866 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member min_epoch is not initialized
in this constructor nor in any functions that it calls.

** 1054867 Uninitialized scalar field
2. uninit_member: Non-static class member map_epoch is not initialized
in this constructor nor in any functions that it calls.
CID 1054867 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
4. uninit_member: Non-static class member min_epoch is not initialized
in this constructor nor in any functions that it calls.

Signed-off-by: Amit Kumar amitkuma@redhat.com