[Gm2] Small omission in Glibc.c

[Ernst Bokkelkamp]

I found a small omission in Glibc.c that causes a problem under Raspbian
Jessie:

---
./GM2_520/gcc-5.2.0+gm2-git-latest/gm2/gcc-versionno/gcc/gm2/mc-boot-ch/Glib
c.c     2017-03-21 21:34:42.000000000 +0100
+++
./GM2_520_fixed/gcc-5.2.0+gm2-git-latest/gm2/gcc-versionno/gcc/gm2/mc-boot-c
h/Glibc.c       2017-03-27 16:49:36.980048646 +0200
@@ -22,7 +22,7 @@

 int libc_close (int fd)
 {
-  close (fd);
+  return close (fd);
 }

 int libc_exit (int code)

With the fix I obtained the following results:

Linux debian 3.16.0-4-686-pae #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19)
i686 GNU/Linux
# of expected passes            10340
# of unexpected failures        30
# of unresolved testcases       6

Linux debian3 3.16.0-4-amd64 #1 SMP Debian 3.16.39-1 (2016-12-30) x86_64
GNU/Linux
# of expected passes            10352
# of unexpected failures        18
# of unresolved testcases       6

Linux raspi3p3 4.4.50+ #970 Mon Feb 20 19:12:50 GMT 2017 armv6l GNU/Linux
# of expected passes            10340
# of unexpected failures        30
# of unresolved testcases       6

Regards
Ernst