[BUG] Possible occurrence of segfault in ecpg test

Applying: Fix refer to a null pointer
Using index info to reconstruct a base tree...
M	src/interfaces/ecpg/test/expected/sql-bytea.c
M	src/interfaces/ecpg/test/expected/sql-bytea.stderr
M	src/interfaces/ecpg/test/sql/bytea.pgc
Falling back to patching base and 3-way merge...
Auto-merging src/interfaces/ecpg/test/sql/bytea.pgc
Auto-merging src/interfaces/ecpg/test/expected/sql-bytea.stderr
CONFLICT (content): Merge conflict in src/interfaces/ecpg/test/expected/sql-bytea.stderr
Auto-merging src/interfaces/ecpg/test/expected/sql-bytea.c
CONFLICT (content): Merge conflict in src/interfaces/ecpg/test/expected/sql-bytea.c
Patch failed at 0001 Fix refer to a null pointer

error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config advice.mergeConflict false"