* go32-nat.c (struct env387): Remove declaration.

	* go32-nat.c (struct env387): Remove declaration.
	(print_387_status, i386_go32_float_info): Remove redundant
	functions.
	(regno_mapping, sig_map, excepn_map): Add braces around inner
	initializers.
	(many functions): Use ATTRIBUTE_UNUSED to shut up the compiler;
	fix code which mixed signed with unsigned.
	(go32_resume): Use TARGET_SIGNAL_LAST instead of -1.
	(go32_wait): Initialize INT3_addr.
	(go32_fetch_registers): Extend all FP registers that are shorter
	than 4 bytes to 32 bits.  Support 32 standard FP registers defined
	on config/i386/tm-i386.h.
	(store_register): Support 32 FP registers.
	(go32_create_inferior): Don't crash if handed a NULL pointer
	instead of exec file name.
	(ignore): Remove unused function.
	(go32_insert_hw_breakpoint): Remove unused variables.
	(init_go32_ops): Set value of processing_gcc_compilation to 2.