Bump soname from 8.14.1 to 23.0.0

2 new symbols were added, 53 symbols were removed.
Detailed report has been pushed to:
https://github.com/OpenSCAP/openscap-abi-check/blob/master/reports/1.2.17_master.html
Note: We have forgotten to update LT_CURRENT, LT_REVISON and LT_AGE
in CMakeLists.txt when merging maint-1.2 to master. As of 18th July 2018,
the last values in maint-1.2 are LT_CURRENT=22, LT_REVISION=1, LT_AGE=14.

src/CMakeLists.txt

@@ -2,15 +2,15 @@
 # See http://sources.redhat.com/autobook/autobook/autobook_91.html#SEC91 for details
 
 ## increment if the interface has additions, changes, removals.
-set(LT_CURRENT 21)
+set(LT_CURRENT 23)
 
 ## increment any time the source changes; set 0 to if you increment CURRENT
 set(LT_REVISION 0)
 
 ## increment if any interfaces have been added; set to 0
 ## if any interfaces have been changed or removed. removal has
 ## precedence over adding, so set to 0 if both happened.
-set(LT_AGE 13)
+set(LT_AGE 0)
 
 math(EXPR LT_CURRENT_MINUS_AGE "${LT_CURRENT} - ${LT_AGE}")