fix for component build on osx

Author: Cong Liu

node.gyp

@@ -672,7 +672,6 @@
         [ 'OS=="mac" and component != "shared_library"', {
           'xcode_settings': {
             'OTHER_LDFLAGS': [
-              #'-L<(PRODUCT_DIR)/../nw/', '-lv8',
               '<(PRODUCT_DIR)/../nw/nwjs\ Framework.framework/nwjs\ Framework',
                       '-Wl,-force_load <(V8_LIBBASE)',
                       '-Wl,-force_load <(V8_PLTFRM)',