check if the compiler supports -fvisibility=hidden and define SYMBOL_VISIBILITY accordingly
check if the compiler supports -fvisibility=hidden and define
SYMBOL_VISIBILITY accordingly

Only GCC 4.0 support it AFAIK


git-svn-id: f2d781e409b7e36a714fc884bb9b2fc5091ddd28@1836 0ce88b0d-b2fd-0310-8134-9614164e65ea

vicamo/pcsc-lite-android,vicamo/pcsc-lite-android,vicamo/pcsc-lite-android,vicamo/pcsc-lite-android,vicamo/pcsc-lite-android