revert: hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string placeholder from 0x%x to %#x.

	Revert:
	* hwint.h (HOST_WIDE_INT_PRINT_DOUBLE_HEX): Change format string
	placeholder from 0x%x to %#x.
	(HOST_WIDEST_INT_PRINT_DOUBLE_HEX): Ditto.
	* config/i386/i386.c (output_pic_addr_const): Ditto.

From-SVN: r158972