Fix openssl cert path in fbtenv (#2408)

* Temp fix openssl  cert path
* Moving fix from CI to fbtenv

scripts/toolchain/fbtenv.sh

@@ -289,6 +289,9 @@ fbtenv_main()
     fbtenv_check_download_toolchain || return 1;
     fbtenv_set_shell_prompt;
     fbtenv_print_version;
+    if [ "$SYS_TYPE" = "Linux" ]; then
+        SSL_CERT_FILE=/etc/ssl/certs/ca-certificates.crt
+    fi
     PATH="$TOOLCHAIN_ARCH_DIR/python/bin:$PATH";
     PATH="$TOOLCHAIN_ARCH_DIR/bin:$PATH";
     PATH="$TOOLCHAIN_ARCH_DIR/protobuf/bin:$PATH";