Fix build error in static builds on Linux

Author: darksylinc

CMakeLists.txt

@@ -272,6 +272,10 @@ set(OGRE_Paging_LIBRARIES ${OGRE_NEXT}Paging)
 set(OGRE_Terrain_LIBRARIES ${OGRE_NEXT}Terrain)
 set(OGRE_Volume_LIBRARIES ${OGRE_NEXT}Volume)
 
+if( OGRE_STATIC AND UNIX AND NOT OGRE_CONFIG_UNIX_NO_X11 )
+	set( OGRE_LIBRARIES ${OGRE_LIBRARIES} xcb xcb-randr )
+endif()
+
 # Specify build paths
 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${OGRE_BINARY_DIR}/lib")
 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${OGRE_BINARY_DIR}/lib")