Simplifications to the sqlite3_trace() bound parameter substitution logic.

FossilOrigin-Name: cb4b928648504ce29d751834e9ee3b5278dfca65
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 3adba1c..334a39a 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -2961,6 +2961,7 @@
 int sqlite3VtabBegin(sqlite3 *, VTable *);
 FuncDef *sqlite3VtabOverloadFunction(sqlite3 *,FuncDef*, int nArg, Expr*);
 void sqlite3InvalidFunction(sqlite3_context*,int,sqlite3_value**);
+int sqlite3VdbeParameterIndex(Vdbe*, const char*, int);
 int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *);
 int sqlite3Reprepare(Vdbe*);
 void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*);