vfprintf.c: reduce a chunk of #ifdef forest and remove one goto inside it
vfprintf.c: reduce a chunk of #ifdef forest and remove one goto inside it

No code changes according to objdump.

Signed-off-by: Denys Vlasenko <50fbbd36fe0f9c8261d4a3c762c8c29ffb35e48f@redhat.com>

joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc,joel-porquet/tsar-uclibc