Swap slicify / scale description positions, "scale" comes before

"slicify" in lexical order.

Originally committed as revision 20520 to svn://svn.ffmpeg.org/ffmpeg/trunk

doc/libavfilter.texi

@@ -149,21 +149,6 @@ input to the vflip filter.
 
 Pass the source unchanged to the output.
 
-@section slicify
-
-Pass the images of input video on to next video filter as multiple
-slices.
-
-@example
-./ffmpeg -i in.avi -vfilters "slicify=32" out.avi
-@end example
-
-The filter accepts the slice height as parameter. If the parameter is
-not specified it will use the default value of 16.
-
-Adding this in the beginning of filter chains should make filtering
-faster due to better use of the memory cache.
-
 @section scale
 
 Scale the input video to width:height and/or convert the image format.
@@ -189,6 +174,21 @@ ratio of the input image.
 
 The default value of ``width'' and ``height'' is 0.
 
+@section slicify
+
+Pass the images of input video on to next video filter as multiple
+slices.
+
+@example
+./ffmpeg -i in.avi -vfilters "slicify=32" out.avi
+@end example
+
+The filter accepts the slice height as parameter. If the parameter is
+not specified it will use the default value of 16.
+
+Adding this in the beginning of filter chains should make filtering
+faster due to better use of the memory cache.
+
 @section vflip
 
 Flip the input video vertically.