Fix guard of ecjpake.h include in crypto_extra.h

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/include/psa/crypto_extra.h b/include/psa/crypto_extra.h
index 9ced066..32bb358 100644
--- a/include/psa/crypto_extra.h
+++ b/include/psa/crypto_extra.h
@@ -1903,7 +1903,7 @@
         cipher_suite->hash = hash;
 }
 
-#if defined(MBEDTLS_PSA_BUILTIN_PAKE)
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_ECJPAKE)
 #include <mbedtls/ecjpake.h>
 #endif