r386: * dh_makeshlibs: Also scan files named "*.so*", not just "*.so.*",

r386:    * dh_makeshlibs: Also scan files named "*.so*", not just "*.so.*",
     but only if they are files. This should make it more usable with
     rather stupidly broken libraries like db3, which do not encode the
     major version in their filenames. However, it cannot guess the major
     version of such libraries, so -m must be used.