Fix second instance of uname -i in bash script.

fltk-config.sh

@@ -1,3 +1,3 @@
-#!/bin/bash
+#!/usr/bin/bash
 
-exec fltk-config-$(uname -i) "$@"
+exec fltk-config-$(uname -m) "$@"

fltk.spec

@@ -6,7 +6,7 @@
 
 Name:		    fltk
 Version:	    1.3.8
-Release:	    4%{?dist}
+Release:	    5%{?dist}
 Summary:	    C++ user interface toolkit
 
 # see COPYING (or http://www.fltk.org/COPYING.php ) for exceptions details
@@ -259,6 +259,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/fluid.desktop
 
 
 %changelog
+* Mon Sep 05 2022 Richard Shaw <hobbes1069@gmail.com> - 1.3.8-5
+- Fix second instance of uname -i in bash script.
+
 * Sat Aug 27 2022 Richard Shaw <hobbes1069@gmail.com> - 1.3.8-4
 - Spec file modernization and fixes:
   Update to SPDX license tag