[boringssl] Add default certificate location

This re-adds /system/data/boringssl as the default location to look for
certificates on Fuchsia.

Change-Id: I490403cb4cd3a8ee30f7058904fdaf19fbf7bc90
diff --git a/crypto/x509/x509_def.c b/crypto/x509/x509_def.c
index 2bf2240..cb34ea4 100644
--- a/crypto/x509/x509_def.c
+++ b/crypto/x509/x509_def.c
@@ -59,7 +59,12 @@
 
 /* TODO(fork): cleanup */
 
+#if defined(OPENSSL_FUCHSIA)
+#define OPENSSLDIR "/system/data/boringssl"
+#else
 #define OPENSSLDIR "/etc/ssl"
+#endif
+
 #define X509_CERT_AREA          OPENSSLDIR
 #define X509_CERT_DIR           OPENSSLDIR "/certs"
 #define X509_CERT_FILE          OPENSSLDIR "/cert.pem"