Fix soname
Fix soname

Bug intoduced in 6e94fcf2, under Linux generated soname was wrong:
libsndfile.so.1.0.27.0. (must be 1.0.27).

syb0rg/libsndfile,syb0rg/libsndfile,syb0rg/libsndfile,syb0rg/libsndfile