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apache Function ssl_array_index is unused when !HAVE_TLS_ALPN

Bug fixed by commit 0ddfa412ee9

Type	DeadCode
Config	"!HAVE_TLS_ALPN" (1st degree)
Fix-in	mapping
Location	modules/ssl/

void ssl_array_index()
{
}

#ifdef HAVE_TLS_ALPN
void ssl_cmp_alpn_protos()
{
  ssl_array_index();
}

void ssl_callback_alpn_select()
{
  ssl_cmp_alpn_protos();
}
#endif

int main(void)
{
#ifdef HAVE_TLS_ALPN
  ssl_callback_alpn_select();
#endif
  return 0;
}

. // if HAVE_TLS_ALPN is disabled
. ERROR modules/ssl/ssl_engine_kernel.c:2165:ssl_array_index()