Remove pre marker for version.

VERSION.cmake

@@ -1,5 +1,5 @@
 set( VERSION_MAJOR 1 )
 set( VERSION_MINOR 1 )
 set( VERSION_PATCH 2 )
-set( VERSION  ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}pre )
+set( VERSION  ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH} )