Use /etc/release instead of /etc/os-release to get OS name on Solaris.

Need to submit upstream.

--- gnome-control-center-3.18.2/panels/info/cc-info-panel.c~ 2015-07-20 03:08:50.000000000 +0000

+++ gnome-control-center-3.18.2/panels/info/cc-info-panel.c 2016-10-15 13:22:56.504195284 +0000

@@ -460,6 +460,23 @@ get_os_type (void)

g_free (buffer);

}

+#ifdef __sun

+ else if (g_file_get_contents ("/etc/release", &buffer, NULL, NULL))

+ {

+ char *start = buffer;

+ char *end = strchr (start, '\n');

+

+ if (start != NULL && end != NULL)

+ {

+ name = g_strndup (start, end - start);

+ if (name != NULL)

+ {

+ g_strstrip(name);

+ }

+ }

+ g_free (buffer);

+ }

+#endif

if (GLIB_SIZEOF_VOID_P == 8)

bits = 64;