diff -Nau ../orig/src/sql/drivers/ibase/qsql_ibase.cpp ./src/sql/drivers/ibase/qsql_ibase.cpp
--- ../orig/src/sql/drivers/ibase/qsql_ibase.cpp	2007-02-21 07:59:02.000000000 -0200
+++ ./src/sql/drivers/ibase/qsql_ibase.cpp	2007-05-19 12:52:09.000000000 -0300
@@ -36,8 +36,6 @@
 
 #include <qdebug.h>
 
-#include <ibase.h>
-
 #include <stdlib.h>
 #include <limits.h>
 #include <math.h>
@@ -1179,11 +1177,11 @@
     d = new QIBaseDriverPrivate(this);
 }
 
-QIBaseDriver::QIBaseDriver(void *connection, QObject *parent)
+QIBaseDriver::QIBaseDriver(isc_db_handle connection, QObject *parent)
     : QSqlDriver(parent)
 {
     d = new QIBaseDriverPrivate(this);
-    d->ibase = (isc_db_handle)connection;
+    d->ibase = connection;
     setOpen(true);
     setOpenError(false);
 }
diff -Nau ../orig/src/sql/drivers/ibase/qsql_ibase.h ./src/sql/drivers/ibase/qsql_ibase.h
--- ../orig/src/sql/drivers/ibase/qsql_ibase.h	2007-02-21 07:59:02.000000000 -0200
+++ ./src/sql/drivers/ibase/qsql_ibase.h	2007-05-19 12:51:46.000000000 -0300
@@ -28,6 +28,8 @@
 #include <QtSql/qsqldriver.h>
 #include <QtSql/private/qsqlcachedresult_p.h>
 
+#include <ibase.h>
+
 QT_BEGIN_HEADER
 class QIBaseDriverPrivate;
 class QIBaseResultPrivate;
@@ -62,7 +64,7 @@
     friend class QIBaseResultPrivate;
 public:
     explicit QIBaseDriver(QObject *parent = 0);
-    explicit QIBaseDriver(void *connection, QObject *parent = 0);
+    explicit QIBaseDriver(isc_db_handle connection, QObject *parent = 0);
     virtual ~QIBaseDriver();
     bool hasFeature(DriverFeature f) const;
     bool open(const QString & db,