Sql: Do not depend on transitive includes

Change-Id: I9407c34c9fb6add655649dd7058bce7a25be5f5d
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>

src/plugins/sqldrivers/mysql/qsql_mysql.cpp

@@ -41,6 +41,7 @@
 
 #include <qcoreapplication.h>
 #include <qvariant.h>
+#include <qvarlengtharray.h>
 #include <qdatetime.h>
 #include <qdebug.h>
 #include <qfile.h>

src/sql/kernel/qsqlresult_p.h

@@ -53,6 +53,7 @@
 
 #include <QtSql/private/qtsqlglobal_p.h>
 #include <QtCore/qpointer.h>
+#include <QtCore/qhash.h>
 #include "qsqlerror.h"
 #include "qsqlresult.h"
 #include "qsqldriver.h"