Fix a problem with renaming a table when the schema contains an invocation of a window function that is not currently registered.

FossilOrigin-Name: ff290feb97f689cf6ce4162d6aa36f9f9dcf1bff3096847d53a85f39f728d2de
diff --git a/src/resolve.c b/src/resolve.c
index 54475f6..8702048 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -891,6 +891,11 @@
 #endif
         }
       }
+#ifndef SQLITE_OMIT_WINDOWFUNC
+      else if( pWin ){
+        is_agg = 1;
+      }
+#endif
       sqlite3WalkExprList(pWalker, pList);
       if( is_agg ){
 #ifndef SQLITE_OMIT_WINDOWFUNC