Further pake code optimizations

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/include/psa/crypto_builtin_composites.h b/include/psa/crypto_builtin_composites.h
index f331ec5..932c503 100644
--- a/include/psa/crypto_builtin_composites.h
+++ b/include/psa/crypto_builtin_composites.h
@@ -208,7 +208,7 @@
     union {
         unsigned int MBEDTLS_PRIVATE(dummy);
 #if defined(MBEDTLS_PSA_BUILTIN_ALG_JPAKE)
-        mbedtls_ecjpake_context MBEDTLS_PRIVATE(pake);
+        mbedtls_ecjpake_context MBEDTLS_PRIVATE(jpake);
 #endif
     } MBEDTLS_PRIVATE(ctx);