Fix setfsgid()/setfsuid() for LP32.

These are system calls where the "good" names are camped by
implementations that only work for 16-bit ids, and you need to say "32"
on LP32 to get sensible behavior.

Noticed when disabling CONFIG_UID16 in the kernel.

Bug: http://b/266732373
Test: llvm-objdump -d
Change-Id: Ib1b5822b030c4f86df755b129ec7b435a7f77cd3
diff --git a/libc/SECCOMP_BLOCKLIST_APP.TXT b/libc/SECCOMP_BLOCKLIST_APP.TXT
index f14e11c..049d577 100644
--- a/libc/SECCOMP_BLOCKLIST_APP.TXT
+++ b/libc/SECCOMP_BLOCKLIST_APP.TXT
@@ -22,8 +22,10 @@
 int     setresgid:setresgid32(gid_t, gid_t, gid_t)   lp32
 int     setresgid:setresgid(gid_t, gid_t, gid_t)     lp64
 # setresuid is explicitly allowed, see above.
-int     setfsgid(gid_t)  all
-int     setfsuid(uid_t)  all
+int     setfsgid:setfsgid32(gid_t) lp32
+int     setfsgid:setfsgid(gid_t)   lp64
+int     setfsuid:setfsuid32(uid_t) lp32
+int     setfsuid:setfsuid(uid_t)   lp64
 int     setgroups:setgroups32(int, const gid_t*)   lp32
 int     setgroups:setgroups(int, const gid_t*)     lp64