Fix code-style

Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/programs/fuzz/fuzz_pubkey.c b/programs/fuzz/fuzz_pubkey.c
index 63c57b6..9203b4e 100644
--- a/programs/fuzz/fuzz_pubkey.c
+++ b/programs/fuzz/fuzz_pubkey.c
@@ -76,7 +76,7 @@
 exit:
     mbedtls_psa_crypto_free();
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
-mbedtls_pk_free(&pk);
+    mbedtls_pk_free(&pk);
 #else
     (void) Data;
     (void) Size;