[Ada] Simplify regular expression that matches 8 consecutive digits

Pierre-Marie de Rodat derodat@adacore.com
Wed Jul 6 13:31:35 GMT 2022

Makefile cleanup; behaviour is unaffected.

Tested on x86_64-pc-linux-gnu, committed on trunk


	* gcc-interface/Make-lang.in (ada/generated/gnatvsn.ads):
	Simplify regular expression. The "interval expression",
	i.e. \{8\} is part of the POSIX regular expressions, so it
	should not be a problem for modern implementations of sed.
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