This looks like it needs a rebase.
=== Applying patches on top of PostgreSQL commit ID
71a75626d5271f2bcdbdc43b8c13065c4634fd9f ===
=== applying patch ./v11-0001-libpq-Run-pgindent-after-a9e9a9f32b3.patch
patching file src/interfaces/libpq/fe-auth-scram.c
patching file src/interfaces/libpq/fe-auth.c
patching file src/interfaces/libpq/fe-connect.c
Hunk #35 FAILED at 3216.
Hunk #36 succeeded at 3732 (offset 27 lines).
Hunk #37 succeeded at 3782 (offset 27 lines).
Hunk #38 succeeded at 3795 (offset 27 lines).
Hunk #39 succeeded at 7175 (offset 27 lines).
1 out of 39 hunks FAILED -- saving rejects to file
src/interfaces/libpq/fe-connect.c.rej
patching file src/interfaces/libpq/fe-exec.c
patching file src/interfaces/libpq/fe-lobj.c
patching file src/interfaces/libpq/fe-misc.c
patching file src/interfaces/libpq/fe-protocol3.c
patching file src/interfaces/libpq/fe-secure-common.c
patching file src/interfaces/libpq/fe-secure-gssapi.c
Hunk #3 succeeded at 590 (offset 2 lines).
patching file src/interfaces/libpq/fe-secure-openssl.c
Hunk #3 succeeded at 415 (offset 5 lines).
Hunk #4 succeeded at 967 (offset 5 lines).
Hunk #5 succeeded at 993 (offset 5 lines).
Hunk #6 succeeded at 1037 (offset 5 lines).
Hunk #7 succeeded at 1089 (offset 5 lines).
Hunk #8 succeeded at 1122 (offset 5 lines).
Hunk #9 succeeded at 1140 (offset 5 lines).
Hunk #10 succeeded at 1239 (offset 5 lines).
Hunk #11 succeeded at 1250 (offset 5 lines).
Hunk #12 succeeded at 1265 (offset 5 lines).
Hunk #13 succeeded at 1278 (offset 5 lines).
Hunk #14 succeeded at 1315 (offset 5 lines).
Hunk #15 succeeded at 1326 (offset 5 lines).
Hunk #16 succeeded at 1383 (offset 5 lines).
Hunk #17 succeeded at 1399 (offset 5 lines).
Hunk #18 succeeded at 1452 (offset 5 lines).
Hunk #19 succeeded at 1494 (offset 5 lines).
patching file src/interfaces/libpq/fe-secure.c
patching file src/interfaces/libpq/libpq-int.h