replaced ! with not as adviced by Reimar

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@22838 b3059339-0415-0410-9bf9-f77b7e298cf2

configure

@@ -2497,7 +2497,7 @@ if test "$_vidix_internal" = auto ; then
   ppc && linux && _vidix_internal=yes
   alpha && linux && _vidix_internal=yes
   qnx && _vidix_internal=no
-  sunos && ! x86 && _vidix_internal=no
+  sunos && not x86 && _vidix_internal=no
   beos && _vidix_internal=no
   darwin && _vidix_internal=no
 fi