revert 15853 as it brokes things

configure.ac

@@ -5149,13 +5149,12 @@ then
         have_xul=true
 	MOZILLA_CONFIG="${XULRUNNER_CONFIG}"
       fi
-    fi
     
       if ${MOZILLA_CONFIG} --defines | grep -q 'MOZ_X11=1'; then
         LDFLAGS="${LDFLAGS_save} ${X_LIBS} ${X_PRE_LIBS}"
         AC_CHECK_LIB(Xt,XtStrings,
          [
-         VLC_ADD_CPPFLAGS([mozilla],[${X_CFLAGS}]
+	     VLC_ADD_CPPFLAGS([mozilla],[${X_CFLAGS}])
 	     VLC_ADD_LDFLAGS([mozilla],[${X_LIBS} ${X_PRE_LIBS} -lXt -lX11 -lSM -lICE])
 	 ],
          [],
@@ -5163,7 +5162,7 @@ then
         ])
         LDFLAGS="${LDFLAGS_save}"
       fi
-
+    fi
       mozilla=:
       dnl Workaround for http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=150490
       VLC_ADD_CPPFLAGS([mozilla],[[`${MOZILLA_CONFIG} --cflags plugin xpcom java | sed 's,-I\([^ ]*\)/mozilla/\([^ ]*\),-I\1/\2 -I\1/mozilla/\2,g' | xargs`]])