[Fontconfig] library version

[Jeremy C. Reed]

I had old fontconfig-2.2.96 on a NetBSD and Linux system which provided:

libfontconfig.so.1.0.4

And now a new fontconfig-2.3.2 also provides same version:
libfontconfig.so.1.0.4

I see this is defined with configure

LT_CURRENT=1
LT_REVISION=4
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
LT_AGE=0


Also I see that changelog entry for April 27 says:
"Bump so revision for 2.3.2". What does "so" mean? If that is for shared 
object or the library, maybe the numbers above should have been adjusted.

Anyways, I am curious.... is it correct for the library versioning to not 
change?

  Jeremy C. Reed

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