ussd: Move the code libosmocore, increase the version number.
Move the code to libosmocore, update the header file and the
version required in the configure.in.
diff --git a/openbsc/configure.in b/openbsc/configure.in
index 7f2355f..3806a2c 100644
--- a/openbsc/configure.in
+++ b/openbsc/configure.in
@@ -43,7 +43,7 @@
])
AM_CONDITIONAL(BUILD_BSC, test "x$osmo_ac_build_bsc" = "xyes")
-PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.1.22)
+PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 0.1.23)
PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 0.1.19)
dnl checks for header files