crypto/sparcv9cap.c: add missing declaration.

Reviewed-by: Rich Salz <rsalz@openssl.org>

crypto/sparcv9cap.c

diff --git a/crypto/sparcv9cap.c b/crypto/sparcv9cap.c
index 093c5eb..61d0334 100644
--- a/crypto/sparcv9cap.c
+++ b/crypto/sparcv9cap.c
@@ -93,6 +93,7 @@
 void _sparcv9_fmadd_probe(void);
 unsigned long _sparcv9_rdcfr(void);
 void _sparcv9_vis3_probe(void);
+void _sparcv9_fjaesx_probe(void);
 unsigned long _sparcv9_random(void);
 size_t _sparcv9_vis1_instrument_bus(unsigned int *, size_t);
 size_t _sparcv9_vis1_instrument_bus2(unsigned int *, size_t, size_t);