include: Clean up includes

Clean up includes so that osdep.h is included first and headers
which it implies are not included manually.

This commit was created with scripts/clean-includes.

NB: If this commit breaks compilation for your out-of-tree
patchseries or fork, then you need to make sure you add
#include "qemu/osdep.h" to any new .c files that you have.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Blake <eblake@redhat.com>

include/libdecnumber/dconfig.h

@@ -27,7 +27,6 @@
    Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.  */
 
-#include "config-host.h"
 
 #if defined(HOST_WORDS_BIGENDIAN)
 #define WORDS_BIGENDIAN 1

include/libdecnumber/decContext.h

@@ -56,9 +56,6 @@
   #define DECCFULLNAME "Decimal Context Descriptor"   /* Verbose name */
   #define DECCAUTHOR   "Mike Cowlishaw"		      /* Who to blame */
 
-  #include <stdint.h>
-  #include <stdio.h>		   /* for printf, etc.		      */
-  #include <signal.h>		   /* for traps			      */
 
   /* Extended flags setting -- set this to 0 to use only IEEE flags   */
   #define DECEXTFLAG 1		   /* 1=enable extended flags	      */

include/libdecnumber/decNumberLocal.h

@@ -42,8 +42,6 @@
   #define DECVERSION	"decNumber 3.53" /* Package Version [16 max.] */
   #define DECNLAUTHOR	"Mike Cowlishaw"	      /* Who to blame */
 
-  #include <stdlib.h>	      /* for abs			      */
-  #include <string.h>	      /* for memset, strcpy		      */
   #include "libdecnumber/dconfig.h"
 
   /* Conditional code flag -- set this to match hardware platform     */