Configure: Do not define -OJI all the time in mozilla.

No idea what this is usefull about

configure.ac

@@ -4593,7 +4593,7 @@ then
         MOZILLA_REQUIRED_HEADERS=
         mozilla=:
         AS_IF([ test "${SYS}" != "mingw32" -a "${SYS}" != "mingwce"],[
-	   VLC_ADD_CPPFLAGS([mozilla],[-DXP_UNIX -DOJI])
+           VLC_ADD_CPPFLAGS([mozilla],[-DXP_UNIX])
            AS_IF([ test "${SYS}" != "darwin"],[
              PKG_CHECK_MODULES(XPM, [xpm xt],[
                 VLC_ADD_CPPFLAGS([mozilla],[-DMOZ_X11])