This bumps the libgcobol SONAME for GCC 16 since compared to GCC 15
there are removed symbols and key data structures have changed.
PR cobol/122803
libgcobol/
* configure.ac (LIBGCOBOL_VERSION): Bump to 2:0:0.
* configure: Re-generate.
# libgcobol soname version
-LIBGCOBOL_VERSION=1:0:0
+LIBGCOBOL_VERSION=2:0:0
## added, currently unused.
AC_SEARCH_LIBS([clock_gettime], [c rt])
# libgcobol soname version
-LIBGCOBOL_VERSION=1:0:0
+LIBGCOBOL_VERSION=2:0:0
AC_SUBST(LIBGCOBOL_VERSION)
## added, currently unused.