more freq_dispatch to deprecated

TODO

@@ -1,11 +1,3 @@
-- fix cross-phase
-
-	$ vips complex2 x.v x2.v x3.v cross-phase
-	vips_object_sanity: null object
-	** VIPS:ERROR:image.c:2473:vips_image_pio_input: assertion failed:
-	(vips_object_sanity( VIPS_OBJECT( image ) ))
-	Aborted (core dumped)
-
 
 - try:
 

doc/reference/libvips-docs.sgml.in

@@ -37,7 +37,7 @@
     <xi:include href="xml/conversion.xml"/>
     <xi:include href="xml/convolution.xml"/>
     <xi:include href="xml/foreign.xml"/>
-    <xi:include href="xml/freq_filt.xml"/>
+    <xi:include href="xml/freqfilt.xml"/>
     <xi:include href="xml/histogram.xml"/>
     <xi:include href="xml/inplace.xml"/>
     <xi:include href="xml/interpolate.xml"/>

libvips/deprecated/Makefile.am

@@ -2,6 +2,7 @@ noinst_LTLIBRARIES = libdeprecated.la
 
 libdeprecated_la_SOURCES = \
 	tone.c \
+	freq_dispatch.c \
 	im_linreg.c \
 	im_point_bilinear.c \
 	resample_dispatch.c \

libvips/freqfilt/Makefile.am

@@ -7,7 +7,6 @@ libfreqfilt_la_SOURCES = \
 	invfft.c \
 	freqmult.c \
 	spectrum.c \
-	phasecor.c \
-	freq_dispatch.c 
+	phasecor.c 
 
 AM_CPPFLAGS = -I${top_srcdir}/libvips/include @VIPS_CFLAGS@ @VIPS_INCLUDES@