* coffcode.h (coff_new_section_hook): Don't use align_power_min;

	* coffcode.h (coff_new_section_hook): Don't use align_power_min;
	use COFF_DEFAULT_SECTION_ALIGNMENT_POWER instead.  Force the .stab
	and .stabstr sections to be aligned to no more than 2.  Remove
	COFF_SPARC special cases.
	* coff-a29k.c: Define COFF_DEFAULT_SECTION_ALIGNMENT_POWER.
	* coff-apollo.c, coff-go32.c, coff-h8300.c: Likewise.
	* coff-h8500.c, coff-i386.c, coff-i960.c, coff-m68k.c: Likewise.
	* coff-m88k.c, coff-rs6000.c, coff-sh.c, coff-sparc.c: Likewise.
	* coff-we32k.c, coff-z8k.c: Likewise.
PR 5706.