[PG 9.6]make is failing for test_decoding contrib module.

Hi,

Found by one of the my colleague - Kashif Jeeshan ,  in PG 9.6 - make is 
failing for test_decoding contrib module.

[centos@centos-cpula test_decoding]$ make
gcc -Wall -Wmissing-prototypes -Wpointer-arith 
-Wdeclaration-after-statement -Wendif-labels -Wmissing-format-attribute 
-Wformat-security -fno-strict-aliasing -fwrapv -O2 -fPIC -I. -I. 
-I../../src/include -D_GNU_SOURCE   -c -o test_decoding.o test_decoding.c
In file included from ../../src/include/postgres.h:48,
                  from test_decoding.c:13:
../../src/include/utils/elog.h:71:28: error: utils/errcodes.h: No such 
file or directory
In file included from ../../src/include/replication/slot.h:15,
                  from ../../src/include/replication/logical.h:12,
                  from test_decoding.c:23:
../../src/include/storage/lwlock.h:129:33: error: storage/lwlocknames.h: 
No such file or directory
test_decoding.c: In function ‘pg_decode_startup’:
test_decoding.c:127: error: ‘ERRCODE_INVALID_PARAMETER_VALUE’ undeclared 
(first use in this function)
test_decoding.c:127: error: (Each undeclared identifier is reported only 
once
test_decoding.c:127: error: for each function it appears in.)
make: *** [test_decoding.o] Error 1
[centos@centos-cpula test_decoding]$

-- 
regards,tushar
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