mi: clean up including panoramix headers

* use their actual path instead of relying this to be in compiler's
  include path list.
* no need to do it only conditionally, no #ifdef needed

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

mi/miexpose.c

@@ -80,6 +80,8 @@ Equipment Corporation.
 
 #include "dix/dix_priv.h"
 #include "mi/mi_priv.h"
+#include "Xext/panoramiX.h"
+#include "Xext/panoramiXsrv.h"
 
 #include "misc.h"
 #include "regionstr.h"
@@ -91,11 +93,6 @@ Equipment Corporation.
 #include "dixstruct.h"
 #include "globals.h"
 
-#ifdef XINERAMA
-#include "panoramiX.h"
-#include "panoramiXsrv.h"
-#endif /* XINERAMA */
-
 /*
     machine-independent graphics exposure code.  any device that uses
 the region package can call this.