Revert "celt51: 0.5.1.3 -> 0.5.2"

The 0.5.1 is required by spice, the only port currently depending on celt.

This reverts commit 8eb7f295337047e5d4aa5d0a92c20dd6a67fb9cb.

celt51/.footprint

@@ -1,17 +1,17 @@
 drwxr-xr-x	root/root	usr/
 drwxr-xr-x	root/root	usr/bin/
--rwxr-xr-x	root/root	usr/bin/celtdec
--rwxr-xr-x	root/root	usr/bin/celtenc
+-rwxr-xr-x	root/root	usr/bin/celtdec051
+-rwxr-xr-x	root/root	usr/bin/celtenc051
 drwxr-xr-x	root/root	usr/include/
-drwxr-xr-x	root/root	usr/include/celt/
--rw-r--r--	root/root	usr/include/celt/celt.h
--rw-r--r--	root/root	usr/include/celt/celt_header.h
--rw-r--r--	root/root	usr/include/celt/celt_types.h
+drwxr-xr-x	root/root	usr/include/celt051/
+-rw-r--r--	root/root	usr/include/celt051/celt.h
+-rw-r--r--	root/root	usr/include/celt051/celt_header.h
+-rw-r--r--	root/root	usr/include/celt051/celt_types.h
 drwxr-xr-x	root/root	usr/lib/
--rw-r--r--	root/root	usr/lib/libcelt.a
--rwxr-xr-x	root/root	usr/lib/libcelt.la
-lrwxrwxrwx	root/root	usr/lib/libcelt.so -> libcelt.so.0.0.0
-lrwxrwxrwx	root/root	usr/lib/libcelt.so.0 -> libcelt.so.0.0.0
--rwxr-xr-x	root/root	usr/lib/libcelt.so.0.0.0
+-rw-r--r--	root/root	usr/lib/libcelt051.a
+-rwxr-xr-x	root/root	usr/lib/libcelt051.la
+lrwxrwxrwx	root/root	usr/lib/libcelt051.so -> libcelt051.so.0.0.0
+lrwxrwxrwx	root/root	usr/lib/libcelt051.so.0 -> libcelt051.so.0.0.0
+-rwxr-xr-x	root/root	usr/lib/libcelt051.so.0.0.0
 drwxr-xr-x	root/root	usr/lib/pkgconfig/
--rw-r--r--	root/root	usr/lib/pkgconfig/celt.pc
+-rw-r--r--	root/root	usr/lib/pkgconfig/celt051.pc

celt51/.md5sum

@@ -1 +1 @@
-6672ce9c8ef6d2879a9b1dc9fed1fb70  celt-0.5.2.tar.gz
+67e7b5e45db57a6f1f0a6962f5ecb190  celt-0.5.1.3.tar.gz

celt51/Pkgfile

@@ -4,7 +4,7 @@
 # Depends on:  libogg
 
 name=celt51
-version=0.5.2
+version=0.5.1.3
 release=1
 source=(http://downloads.xiph.org/releases/celt/celt-$version.tar.gz)