Build lib*64.so libraries with correct soname to avoid creating
mangled symlinks (e.g., libblas.so.3 -> libblas64.so.3.9.0).
This issue arises because rpmbuild automatically generates a symbolic
link baed on the soname.
Signed-off-by: Takuya Wakazono <takuya.wakazono@miraclelinux.com>