missing backclash in makefile.msvc

Author: karel-m

makefile.msvc

@@ -46,7 +46,7 @@ bn_s_mp_balance_mul.obj bn_s_mp_exptmod.obj bn_s_mp_exptmod_fast.obj bn_s_mp_get
 bn_s_mp_invmod_slow.obj bn_s_mp_karatsuba_mul.obj bn_s_mp_karatsuba_sqr.obj bn_s_mp_montgomery_reduce_fast.obj \
 bn_s_mp_mul_digs.obj bn_s_mp_mul_digs_fast.obj bn_s_mp_mul_high_digs.obj bn_s_mp_mul_high_digs_fast.obj \
 bn_s_mp_prime_is_divisible.obj bn_s_mp_rand_jenkins.obj bn_s_mp_rand_platform.obj bn_s_mp_reverse.obj \
-bn_s_mp_sqr.obj bn_s_mp_sqr_fast.obj bn_s_mp_sub.obj bn_s_mp_toom_mul.obj bn_s_mp_toom_sqr.obj
+bn_s_mp_sqr.obj bn_s_mp_sqr_fast.obj bn_s_mp_sub.obj bn_s_mp_toom_mul.obj bn_s_mp_toom_sqr.obj \
 bn_mp_set_double.obj bn_mp_set_int.obj bn_mp_set_long.obj bn_mp_set_long_long.obj bn_mp_shrink.obj \
 bn_mp_signed_bin_size.obj bn_mp_signed_rsh.obj bn_mp_sqr.obj bn_mp_sqrmod.obj bn_mp_sqrt.obj bn_mp_sqrtmod_prime.obj \
 bn_mp_sub.obj bn_mp_sub_d.obj bn_mp_submod.obj bn_mp_to_signed_bin.obj bn_mp_to_signed_bin_n.obj \