Fix compiler warning "res may be used uninitialized in this function".

Actually, it can't but some compilers are not smart enough.
Per Peter Eisentraut gripe.

diff --git a/src/backend/utils/adt/tsvector_op.c b/src/backend/utils/adt/tsvector_op.c
index 5cb4f4f1d9db5c9182a35b5145b32912d69585f3..1c3cc343ac11aeedfdcd48c3d2e5b3a374e486bd 100644 (file)
--- a/src/backend/utils/adt/tsvector_op.c
+++ b/src/backend/utils/adt/tsvector_op.c
@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *   $PostgreSQL: pgsql/src/backend/utils/adt/tsvector_op.c,v 1.18 2008/11/17 12:17:09 teodor Exp $
+ *   $PostgreSQL: pgsql/src/backend/utils/adt/tsvector_op.c,v 1.19 2008/11/19 10:23:21 teodor Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -812,7 +812,7 @@ insertStatEntry(MemoryContext persistentContext, TSVectorStat *stat, TSVector tx
    StatEntry   *node = stat->root, 
                *pnode=NULL;
    int         n,
-               res;
+               res = 0;
    uint32      depth=1;
 
    if (stat->weight == 0)