spv-light-decoder: Avoid GCC 10.x warning in decode_spvlb_valign().

It seems to be wrong, but GCC can't tell and it's hard to blame it.

diff --git a/src/output/spv/spv-light-decoder.c b/src/output/spv/spv-light-decoder.c
index 7b890a1f65a32dadded174143da01e0d76f97c47..2cc7f63221ad9b1d9396b51a0c2340bc74ce2d65 100644 (file)
--- a/src/output/spv/spv-light-decoder.c
+++ b/src/output/spv/spv-light-decoder.c
@@ -185,6 +185,7 @@ decode_spvlb_valign (uint32_t in, enum table_valign *valignp)
       return NULL;
 
     default:
+      *valignp = 0;
       return xasprintf ("bad cell style valign %"PRIu32, in);
     }
 }