LogEntry.h: init LogEntry::seq with 0

CID 1238904 (#1 of 1): Uninitialized scalar variable (UNINIT)
 uninit_use_in_call: Using uninitialized value e.seq when calling
 log_to_syslog.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
(cherry picked from commit 2c2b413ee0af2a151999fcf72f44745b0a9d4ab2)
ErasureCodeLrc.h: fix data_chunk_count UNINIT_CTOR

CID 1238903 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
 uninit_member: Non-static class member data_chunk_count is not
 initialized in this constructor nor in any functions that it calls.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
(cherry picked from commit 2bb35bba995af1983a81669711fda7855e1ce532)
ErasureCodeLrc.h: fix UNINIT_CTOR

Fix Coverity issue, preinit with 0:

uninit_member: Non-static class member chunk_count is not initialized
 in this constructor nor in any functions that it calls.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
(cherry picked from commit ea02dc37dc92613d2d35b9572e72c3b9ab6bbb69)
mds/Beacon.*: fix UNINIT_CTOR cases

CID 1238905 (#1 of 1): Uninitialized scalar field (UNINIT_CTOR)
 uninit_member: Non-static class member want_state is not initialized
  in this constructor nor in any functions that it calls.
 uninit_member: Non-static class member last_send is not initialized
  in this constructor nor in any functions that it calls.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
(cherry picked from commit ff6148324ad0957f74e8b4b49c1a1e8df9fb94e4)
os/GenericObjectMap.cc: pass big parameter by reference

CID 1188142 (#1 of 1): Big parameter passed by value (PASS_BY_VALUE)
 pass_by_value: Passing parameter header of type
 GenericObjectMap::_Header (size 176 bytes) by value.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
(cherry picked from commit 13b8c92a290ea078af26638fbd23bdb2b8c27bdf)
rgw_main.cc: add missing virtual destructor for RGWRequest

CID 1160858 (#1 of 1): Non-virtual destructor (VIRTUAL_DTOR)
 nonvirtual_dtor: Class RGWLoadGenRequest has a destructor
 and a pointer to it is upcast to class RGWRequest which doesn't
 have a virtual destructor.

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>
(cherry picked from commit b82ceda7775ff85943d9143b73789eb37b09bfa9)