tests: Fix {rtc, m48t59}-test build on illumos

Struct tm does not have tm_gmtoff field on illumos.
Fix the build by not zero-initializing these fields on Solaris.

Cc: qemu-stable@nongnu.org
Signed-off-by: NAndreas Färber <andreas.faerber@web.de>
Signed-off-by: NStefan Hajnoczi <stefanha@redhat.com>

tests/m48t59-test.c

@@ -142,7 +142,9 @@ static void cmos_get_date_time(struct tm *date)
     date->tm_mday = mday;
     date->tm_mon = mon - 1;
     date->tm_year = base_year + year - 1900;
+#ifndef __sun__
     date->tm_gmtoff = 0;
+#endif
 
     ts = mktime(date);
 }

tests/rtc-test.c

@@ -115,7 +115,9 @@ static void cmos_get_date_time(struct tm *date)
     date->tm_mday = mday;
     date->tm_mon = mon - 1;
     date->tm_year = base_year + year - 1900;
+#ifndef __sun__
     date->tm_gmtoff = 0;
+#endif
 
     ts = mktime(date);
 }