Add finite() to C89 math lib, since it is needed...

 -Erik

libm/Makefile

@@ -71,7 +71,8 @@ CSRC =   w_acos.c w_asin.c s_atan.c w_atan2.c s_ceil.c s_cos.c \
 	 w_sinh.c w_sqrt.c s_tan.c s_tanh.c 
 CSRC+=   s_expm1.c s_scalbn.c s_copysign.c e_acos.c e_asin.c e_atan2.c \
 	 k_cos.c e_cosh.c e_exp.c e_fmod.c e_log.c e_log10.c e_pow.c \
-	 k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c
+	 k_sin.c e_sinh.c e_sqrt.c k_tan.c e_rem_pio2.c k_rem_pio2.c \
+	 s_finite.c
 endif
 COBJS=$(patsubst %.c,%.o, $(CSRC))
 OBJS=$(COBJS)