Fixing cmake file in case no visualization is supported

git-svn-id: http://svn.code.sf.net/p/simox/code/trunk@173 042f3d55-54a8-47e9-b7fb-15903f145c44

VirtualRobot/examples/SceneViewer/CMakeLists.txt

@@ -4,7 +4,8 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.6.4)
 
 CMAKE_POLICY(VERSION 2.6)
 
-IF(SIMOX_USE_COIN_VISUALIZATION)
+IF(SIMOX_VISUALIZATION AND SIMOX_USE_COIN_VISUALIZATION)
+
     LINK_DIRECTORIES(${SIMOX_LIB_DIR})
     
 	    
@@ -40,4 +41,4 @@ IF(SIMOX_USE_COIN_VISUALIZATION)
     ADD_DEFINITIONS(${SIMOX_VISUALIZATION_COMPILE_FLAGS})
 
     MESSAGE( STATUS ${PROJECT_NAME} " will be placed into " ${SIMOX_BIN_DIR})
-ENDIF(SIMOX_USE_COIN_VISUALIZATION)
+ENDIF()