[syslinux] my_isspace can be isblank

[H. Peter Anvin]

Ram Yalamanchili wrote:
> Hey,
> 
> I noticed my_isspace() is being used in menu/mainmenu and readconfig
> com32 modules.
> 
> Why not use isblank() instead? Here's a patch:

Did you compare the sizes of the resulting binaries?

	-hpa