CPack/InnoSetup: Template file in UTF-8 BOM to support Unicode

Modules/Internal/CPack/ISScript.template.in

diff --git a/Modules/Internal/CPack/ISScript.template.in b/Modules/Internal/CPack/ISScript.template.in
index 1171058..db475fe 100644
--- a/Modules/Internal/CPack/ISScript.template.in
+++ b/Modules/Internal/CPack/ISScript.template.in
@@ -1,4 +1,4 @@
-; Script generated by the CPack Inno Setup generator.
+; Script generated by the CPack Inno Setup generator.
 ; All changes made in this file will be lost when CPack is run again.
 
 @CPACK_INNOSETUP_INCLUDES_INTERNAL@