Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2019-01-22' into...

- Use more CONFIG Makefile switches for qtests
- Get rid of global_qtests in some more qtests
- typedef cleanups
- Fixes for compiling with Clang
- Force C standard to gnu99
- Don't use -nographic in qtests

# gpg: Signature made Tue 22 Jan 2019 06:18:41 GMT
# gpg:                using RSA key 2ED9D774FE702DB5
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>"
# gpg:                 aka "Thomas Huth <thuth@redhat.com>"
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>"
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>"
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* remotes/huth-gitlab/tags/pull-request-2019-01-22: (26 commits)
  tests: remove rule for nonexisting qdev-monitor-test
  tests/hexloader-test: Don't pass -nographic to the QEMU under test
  configure: Force the C standard to gnu99
  seccomp: Work-around GCC 4.x bug in gnu99 mode
  block: Work-around a bug in libiscsi 1.9.0 when used in gnu99 mode
  linux-user: Fix compilation with clang 3.4
  virtio-net: Fix VirtIONet typedef redefinition
  ppc: Fix duplicated typedefs to be able to compile with Clang in gnu99 mode
  ppc: Move spapr-related prototypes from xics.h into a seperate header file
  ui/console: Remove PixelFormat from qemu/typedefs.h
  ui/console: Remove MouseTransformInfo from qemu/typedefs.h
  ui/console: Remove DisplayState/DisplaySurface from "qemu/typedefs.h"
  ui/console: Remove QemuDmaBuf from "qemu/typedefs.h"
  audio: Remove AudioState from "qemu/typedefs.h"
  hw/i386: Remove PCMachineClass from "qemu/typedefs.h"
  hw/char/serial: Remove SerialState from "qemu/typedefs.h"
  hw/bt: Remove HCIInfo from "qemu/typedefs.h"
  hw/i2c/smbus: Remove SMBusDevice from "qemu/typedefs.h"
  hw/ide/ahci: Remove AllwinnerAHCIState from "qemu/typedefs.h"
  hw/pcmcia: Remove PCMCIACardState from "qemu/typedefs.h"
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>