gpg-verifier: Fix compiler warning

diff --git a/src/libostree/ostree-gpg-verifier.c b/src/libostree/ostree-gpg-verifier.c
index eda69dc189dda4c64383ae6684efc74dd75e4ee4..b9a03a1173de3645215cc55fc6c33c8790ffc8d1 100644 (file)
--- a/src/libostree/ostree-gpg-verifier.c
+++ b/src/libostree/ostree-gpg-verifier.c
@@ -89,7 +89,7 @@ _ostree_gpg_verifier_check_signature (OstreeGpgVerifier  *self,
                                       GError            **error)
 {
   gpgme_ctx_t gpg_ctx = NULL;
-  gpgme_error_t gpg_error = NULL;
+  gpgme_error_t gpg_error = 0;
   gpgme_data_t data_buffer = NULL;
   gpgme_data_t signature_buffer = NULL;
   g_autofree char *tmp_dir = NULL;