Bump the SOVERSION on CMake builds as well.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@855 67173fc5-114c-0410-ac8e-9d2fd5bffc1f

code/CMakeLists.txt

@@ -1,5 +1,5 @@
-SET( LIBRARY_VERSION "1.0.0" )
-SET( LIBRARY_SOVERSION "1" )
+SET( LIBRARY_VERSION "2.0.0" )
+SET( LIBRARY_SOVERSION "2" )
 
 #
 # Listing and grouping of all the source files for use with IDE project