Suppress uninitialized-variable warning in new checksum code.

Some compilers understand that this coding is safe, and some don't.

diff --git a/src/backend/storage/page/bufpage.c b/src/backend/storage/page/bufpage.c
index 81cdc6547a3ab90ff48eb570e1429f8c33256695..326d3de88895c4eaa98bfa0e6bca729a707be01c 100644 (file)
--- a/src/backend/storage/page/bufpage.c
+++ b/src/backend/storage/page/bufpage.c
@@ -84,7 +84,7 @@ PageIsVerified(Page page, BlockNumber blkno)
        bool            checksum_failure = false;
        bool            header_sane = false;
        bool            all_zeroes = false;
-       uint16          checksum;
+       uint16          checksum = 0;
 
        /*
         * Don't verify page data unless the page passes basic non-zero test