fix compile error on 32bit systems

4c2766b (drm_mmap/drm_unmap) brought this error for every .c file that
was not #including config.h:

  In file included from private.h:4:0,
                   from abi16.c:29:
  ../libdrm.h: In function 'drm_munmap':
  ../libdrm.h:81:4: error: size of unnamed array is negative

Signed-off-by: Rob Clark <robdclark@gmail.com>

freedreno/freedreno_bo.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include "freedreno_drmif.h"
 #include "freedreno_priv.h"
 

freedreno/freedreno_device.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>

freedreno/freedreno_pipe.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include "freedreno_drmif.h"
 #include "freedreno_priv.h"
 

freedreno/freedreno_ringbuffer.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <assert.h>
 
 #include "freedreno_drmif.h"

freedreno/kgsl/kgsl_bo.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include "kgsl_priv.h"
 
 #include <linux/fb.h>

freedreno/kgsl/kgsl_device.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>

freedreno/kgsl/kgsl_pipe.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include "kgsl_priv.h"
 
 

freedreno/kgsl/kgsl_ringbuffer.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <assert.h>
 
 #include "freedreno_ringbuffer.h"

freedreno/msm/msm_bo.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include "msm_priv.h"
 
 static int bo_allocate(struct msm_bo *msm_bo)

freedreno/msm/msm_device.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>

freedreno/msm/msm_pipe.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include "msm_priv.h"
 
 

freedreno/msm/msm_ringbuffer.c

@@ -26,6 +26,10 @@
  *    Rob Clark <robclark@freedesktop.org>
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <assert.h>
 
 #include "freedreno_ringbuffer.h"

nouveau/abi16.c

@@ -22,6 +22,10 @@
  * Authors: Ben Skeggs
  */
 
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
 #include <stdlib.h>
 #include <stdint.h>
 #include <stddef.h>