Bump CMake version to 0.6.2.

It was incorrectly left at 0.6.0 when 0.6.1 was released, so this needs to be done to make it consistent between the tagged version and the CMake version.

CMakeLists.txt

@@ -28,7 +28,7 @@ project(YAML_CPP)
 
 set(YAML_CPP_VERSION_MAJOR "0")
 set(YAML_CPP_VERSION_MINOR "6")
-set(YAML_CPP_VERSION_PATCH "0")
+set(YAML_CPP_VERSION_PATCH "2")
 set(YAML_CPP_VERSION "${YAML_CPP_VERSION_MAJOR}.${YAML_CPP_VERSION_MINOR}.${YAML_CPP_VERSION_PATCH}")
 
 enable_testing()