SOVERSION bump to version 2.1.15
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 49c4c22..89f72d6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -63,7 +63,7 @@
 # with backward compatible change and micro version is connected with any internal change of the library.
 set(LIBNETCONF2_MAJOR_SOVERSION 2)
 set(LIBNETCONF2_MINOR_SOVERSION 1)
-set(LIBNETCONF2_MICRO_SOVERSION 14)
+set(LIBNETCONF2_MICRO_SOVERSION 15)
 set(LIBNETCONF2_SOVERSION_FULL ${LIBNETCONF2_MAJOR_SOVERSION}.${LIBNETCONF2_MINOR_SOVERSION}.${LIBNETCONF2_MICRO_SOVERSION})
 set(LIBNETCONF2_SOVERSION ${LIBNETCONF2_MAJOR_SOVERSION})