[pushed] [gdb/testsuite] Check gnatmake version in gdb.ada/scalar_storage.exp

[Tom Tromey]

>>>>> "Tom" == Tom de Vries <tdevries@suse.de> writes:

Tom> On a system with gcc 14.2.0 and gnatmake 13.3.0 I run into:

Strange.  What version does gnat report?

Tom> -if {[gcc_major_version] < 14} {
Tom> +if { ![gnatmake_version_at_least 14] }	{

I didn't really know about gnatmake_version_at_least, I wonder if it
should be removed and replaced with calls to gnat_version_compare instead.

Tom