lib/ini: do not abort when lines does not have "="
lib/ini: do not abort when lines does not have "="

aborting in a library is bad™

Signed-off-by: Jean Privat <51f8b1fa9b424745378826727452997ee2a7c3d7@pryen.org>

privat/nit,privat/nit,privat/nit,jcbrinfo/nit,jcbrinfo/nit,jcbrinfo/nit,privat/nit,privat/nit,jcbrinfo/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit,jcbrinfo/nit,jcbrinfo/nit,privat/nit,privat/nit,jcbrinfo/nit,privat/nit,jcbrinfo/nit,jcbrinfo/nit,privat/nit