[PATCH 1/2] disas/arm-a64.cc: Fix build error

[Gavin Shan]

This fixes the following build error with gcc v11.0.0:

  # gcc --version
  gcc (GCC) 11.0.0 20210210 (Red Hat 11.0.0-0)

  [969/2604] Compiling C++ object libcommon.fa.p/disas_arm-a64.cc.o
  FAILED: libcommon.fa.p/disas_arm-a64.cc.o
    :
  In file included from /usr/include/glib-2.0/glib/gmacros.h:241,
                   from /usr/lib64/glib-2.0/include/glibconfig.h:9,
                   from /usr/include/glib-2.0/glib/gtypes.h:32,
                   from /usr/include/glib-2.0/glib/galloca.h:32,
                   from /usr/include/glib-2.0/glib.h:30,
                   from /home/gavin/sandbox/qemu.main/include/glib-compat.h:32,
                   from /home/gavin/sandbox/qemu.main/include/qemu/osdep.h:126,
                   from ../disas/arm-a64.cc:21:
  /usr/include/c++/11/type_traits:56:3: error: template with C linkage
     56 |   template<typename _Tp, _Tp __v>
        |   ^~~~~~~~
  ../disas/arm-a64.cc:20:1: note: ‘extern "C"’ linkage started here
     20 | extern "C" {
        | ^~~~~~~~~~

Signed-off-by: Gavin Shan <gshan@redhat.com>
---
 disas/arm-a64.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/disas/arm-a64.cc b/disas/arm-a64.cc
index 9fa779e175..8545c04038 100644
--- a/disas/arm-a64.cc
+++ b/disas/arm-a64.cc
@@ -17,13 +17,13 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "vixl/a64/disasm-a64.h"
+
 extern "C" {
 #include "qemu/osdep.h"
 #include "disas/dis-asm.h"
 }
 
-#include "vixl/a64/disasm-a64.h"
-
 using namespace vixl;
 
 static Decoder *vixl_decoder = NULL;
-- 
2.23.0