PR target/90015
	* config/riscv/riscv.c (riscv_get_interrupt_type): Fix comment typo.
	(riscv_merge_decl_attributes): Fix typo in diagnostics.  Remove
	trailing period from it too.

	* gcc.target/riscv/interrupt-conflict-mode.c (foo): Adjust expected
	diagnostics.

From-SVN: r270221