testsuite: debug: fix dejagnu directive syntax

testsuite: debug: fix dejagnu directive syntax

In this case, they were all harmless in reality (no diff in test logs).

gcc/testsuite/ChangeLog:

	* gcc.dg/debug/btf/btf-array-1.c: Fix dg-do directive syntax.
	* gcc.dg/debug/btf/btf-bitfields-1.c: Ditto.
	* gcc.dg/debug/btf/btf-bitfields-2.c: Ditto.
	* gcc.dg/debug/btf/btf-datasec-1.c: Ditto.
	* gcc.dg/debug/btf/btf-union-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-anonymous-struct-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-anonymous-union-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-array-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-array-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-array-4.c: Ditto.
	* gcc.dg/debug/ctf/ctf-array-5.c: Ditto.
	* gcc.dg/debug/ctf/ctf-array-6.c: Ditto.
	* gcc.dg/debug/ctf/ctf-attr-mode-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-attr-used-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-bitfields-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-bitfields-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-bitfields-3.c: Ditto.
	* gcc.dg/debug/ctf/ctf-bitfields-4.c: Ditto.
	* gcc.dg/debug/ctf/ctf-complex-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-cvr-quals-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-cvr-quals-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-cvr-quals-3.c: Ditto.
	* gcc.dg/debug/ctf/ctf-cvr-quals-4.c: Ditto.
	* gcc.dg/debug/ctf/ctf-enum-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-enum-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-file-scope-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-float-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-forward-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-forward-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-func-index-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-function-pointers-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-function-pointers-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-function-pointers-3.c: Ditto.
	* gcc.dg/debug/ctf/ctf-function-pointers-4.c: Ditto.
	* gcc.dg/debug/ctf/ctf-functions-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-int-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-objt-index-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-pointers-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-pointers-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-preamble-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-str-table-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-struct-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-struct-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-struct-array-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-struct-array-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-typedef-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-typedef-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-typedef-3.c: Ditto.
	* gcc.dg/debug/ctf/ctf-typedef-struct-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-typedef-struct-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-typedef-struct-3.c: Ditto.
	* gcc.dg/debug/ctf/ctf-union-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-variables-1.c: Ditto.
	* gcc.dg/debug/ctf/ctf-variables-2.c: Ditto.
	* gcc.dg/debug/ctf/ctf-variables-3.c: Ditto.