memset AudecInfo to 0 before filling it in

.builds/fedora.yml

@@ -21,6 +21,7 @@ tasks:
   - test: |
       cd libaudec
       ninja -C build test
+      ../meson/meson.py test -C build --wrap="valgrind --error-exitcode=1"
   - install: |
       cd libaudec
       DESTDIR=/tmp ninja -C build install

src/ad_plugin.c

@@ -145,6 +145,7 @@ audec_info (
   AudecHandle * handle,
   AudecInfo *   nfo)
 {
+  memset (nfo, 0, sizeof (AudecInfo));
   adecoder * decoder = (adecoder *) handle;
   if (!decoder)
     return -1;