Add BR perl.
    
    See:
    https://fedoraproject.org/wiki/Packaging:Perl#Build_Dependencies
    
    No rebuild is required.
    
    The original error was:
    
    ...
    checking time.h presence... yes
    checking for time.h... yes
    checking for SSL... found in /usr
    checking for HMAC_CTX_init in -lcrypto... yes
    checking for EVP_sha1... yes
    checking for EVP_sha256... yes
    checking for dlopen... no
    checking for dlopen in -ldl... yes
    checking for perl... no
    configure: error: perl not found