Fix compiler warning about unitialized variables.

diff --git a/src/backend/executor/nodeAgg.c b/src/backend/executor/nodeAgg.c
index bcc6bdebaf779cbf8b6316ad211da710f0aaa641..f069ee448d845ed33b7fac384fc6aeb915663311 100644 (file)
--- a/src/backend/executor/nodeAgg.c
+++ b/src/backend/executor/nodeAgg.c
@@ -256,10 +256,10 @@ ExecAgg(Agg *node)
        for(i = 0; i < nagg; i++) {
            AttrNumber attnum;
            int2 attlen;
-           Datum newVal;
+           Datum newVal = NULL;
            AggFuncInfo *aggfns = &aggFuncInfo[i];
            Datum args[2];
-           Node *tagnode;
+           Node *tagnode = NULL;
            
            switch(nodeTag(aggregates[i]->target))
            {