From Valeriy Dubov, fix for Android build under OSX

src/osgDB/CMakeLists.txt

@@ -32,7 +32,7 @@ ELSE ()
     ADD_DEFINITIONS(-DOSG_LIBRARY_STATIC)
 ENDIF()
 
-IF (APPLE) 
+IF(APPLE AND NOT ANDROID) 
    IF(OSG_BUILD_PLATFORM_IPHONE OR OSG_BUILD_PLATFORM_IPHONE_SIMULATOR)
      # compile FileUtils.cpp as objective-c++
      SET_SOURCE_FILES_PROPERTIES(FileUtils.cpp
@@ -121,7 +121,7 @@ SET(TARGET_SRC
     ${OPENSCENEGRAPH_VERSIONINFO_RC}
 )
 
-IF(APPLE)
+IF(APPLE AND NOT ANDROID) 
     IF(NOT OSG_BUILD_PLATFORM_IPHONE AND NOT OSG_BUILD_PLATFORM_IPHONE_SIMULATOR)
         # Needs CoreFoundation calls and a Carbon function
         SET(OSGDB_PLATFORM_SPECIFIC_LIBRARIES ${CARBON_LIBRARY})