fix snapshot generation

  https multi-app multi-debugcallback multi-double multi-post multi-single \

  persistant post-callback postit2 sepheaders simple simplepost simplessl  \

  sendrecv httpcustomheader certinfo chkspeed ftpgetinfo ftp-wildcard \

  smtp-multi.c

  smtp-multi

# These examples require external dependencies that may not be commonly

# available on POSIX systems, so don't bother attempting to compile them here.