btsoftbody fix #1106, compiler error in App_PhysicsServer_SharedMemory

BulletSoftBody was not linking to App_PhysicsServer_SharedMemory when USE_SOFT_BODY_MULTI_BODY_DYNAMICS_WORLD was enabled.

examples/SharedMemory/CMakeLists.txt

@@ -95,6 +95,10 @@ LINK_LIBRARIES(
  Bullet3Common BulletWorldImporter BulletFileLoader BulletInverseDynamicsUtils BulletInverseDynamics BulletDynamics BulletCollision LinearMath BussIK
 )
 
+IF (USE_SOFT_BODY_MULTI_BODY_DYNAMICS_WORLD)
+	LINK_LIBRARIES(BulletSoftBody)
+ENDIF()
+
 IF (WIN32)
         ADD_EXECUTABLE(App_PhysicsServer_SharedMemory
                 ${SharedMemory_SRCS}