* solib-som.h (hpux_major_release): Declare variable here.

	* solib-som.h (hpux_major_release): Declare variable here.
	* solib-som.c:  Remove <sys/utsname.h> header.
	(DEFAULT_HPUX_MAJOR_RELEASE): New macro.
	(hpux_major_release): Make global, change default value to
	DEFAULT_HPUX_MAJOR_RELEASE.
	(get_hpux_major_release): Simply return HPUX_MAJOR_RELEASE.
	* hppa-hpux-nat.c: Add <sys/utsname.h> include.
	Add "solib-som.h" header.
	(set_hpux_major_release): New function.
	(_initialize_hppa_hpux_nat): Call set_hpux_major_release.