agent: Remove useless conditions.
* agent/genkey.c (agent_ask_new_passphrase): Remove useless condition. * agent/command-ssh.c (ssh_identity_register): Ditto.
Detected by Stack 0.3:
bug: anti-simplify model: | %tobool22 = icmp ne i8* %arraydecay21, null, !dbg !717 --> true stack: - /home/wk/s/gnupg/agent/genkey.c:385:0 ncore: 1 core: - /home/wk/s/gnupg/agent/genkey.c:362:0 - pointer overflow bug: anti-simplify model: | %tobool35 = icmp ne i8* %arraydecay34, null, !dbg !1053 --> true stack: - /home/wk/s/gnupg/agent/command-ssh.c:3120:0 ncore: 1 core: - /home/wk/s/gnupg/agent/command-ssh.c:3103:0 - pointer overflow