Added suppression of strict-alaising warning emitted by gecko headers

src/osgPlugins/gecko/CMakeLists.txt

@@ -59,6 +59,12 @@ ELSE(WIN32 OR APPLE)
 
 ENDIF(WIN32 OR APPLE)
 
+
+IF(CMAKE_COMPILER_IS_GNUCXX)
+    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wstrict-aliasing=0")
+ENDIF(CMAKE_COMPILER_IS_GNUCXX)
+
+
 SET(TARGET_ADDED_LIBRARIES osgWidget osgViewer)
 
 #### end var setup  ###