gpg.conf: needs gnupg-curl for hkps

[ilf]

[ccdd13]

$ uname -a
Linux mx1 4.19.0-9-amd64 #1 SMP Debian 4.19.118-2 (2020-04-29) x86_64 GNU/Linux

$ sudo apt-get install gnupg-curl
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package gnupg-curl

$ sudo aptitude search ^gnupg
i A gnupg                                                         - GNU privacy guard - a free PGP replacement                              
v   gnupg:i386                                                    -                                                                         
i   gnupg-agent                                                   - GNU privacy guard - cryptographic agent (dummy transitional package)    
v   gnupg-agent:i386                                              -                                                                         
i A gnupg-l10n                                                    - GNU privacy guard - localization files                                  
p   gnupg-pkcs11-scd                                              - GnuPG smart-card daemon with PKCS#11 support                            
p   gnupg-pkcs11-scd:i386                                         - GnuPG smart-card daemon with PKCS#11 support                            
p   gnupg-pkcs11-scd-proxy                                        - GnuPG smart-card daemon with PKCS#11 support, proxy                     
p   gnupg-pkcs11-scd-proxy:i386                                   - GnuPG smart-card daemon with PKCS#11 support, proxy                     
i A gnupg-utils                                                   - GNU privacy guard - utility programs                                    
p   gnupg-utils:i386                                              - GNU privacy guard - utility programs                                    
p   gnupg1                                                        - GNU privacy guard - a PGP implementation (deprecated "classic" version) 
p   gnupg1:i386                                                   - GNU privacy guard - a PGP implementation (deprecated "classic" version) 
v   gnupg1-curl                                                   -                                                                         
p   gnupg1-l10n                                                   - GNU privacy guard "classic" - localization files (deprecated)           
i   gnupg2                                                        - GNU privacy guard - a free PGP replacement (dummy transitional package) 
v   gnupg2:i386                                                   -