rados: Initialization of alignment
Fixes the coverity issues:
**
1409700 Uninitialized scalar field
CID
1409700 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
2. uninit_member: Non-static class member alignment is not initialized
in this constructor nor in any functions that it calls.
**
1409702 Uninitialized scalar field
CID
1409702 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
2. uninit_member: Non-static class member alignment is not initialized
in this constructor nor in any functions that it calls.
Signed-off-by: Amit Kumar <amitkuma@redhat.com>