Avoid unnecessary strlen() calls in sqlite3ExprAssignVarNumber() by passing in
the token length from the parser.

FossilOrigin-Name: d15ae2e530cffea60263f203ac5f89b6790f4bd5
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index fade8a3..2d13f26 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3555,7 +3555,7 @@
 void sqlite3PExprAddSelect(Parse*, Expr*, Select*);
 Expr *sqlite3ExprAnd(sqlite3*,Expr*, Expr*);
 Expr *sqlite3ExprFunction(Parse*,ExprList*, Token*);
-void sqlite3ExprAssignVarNumber(Parse*, Expr*);
+void sqlite3ExprAssignVarNumber(Parse*, Expr*, u32);
 void sqlite3ExprDelete(sqlite3*, Expr*);
 ExprList *sqlite3ExprListAppend(Parse*,ExprList*,Expr*);
 ExprList *sqlite3ExprListAppendVector(Parse*,ExprList*,IdList*,Expr*);