[bug#47210] Enable ogg/flac/vorbis/opus support in libsndfile

[Ben Sturmfels]

> Hi folks,
>
> This is small update to libsndfile as part of my effort to package
> MediaGoblin. Essentially, the ogg/flac/vorbis/opus support is only on if
> *all four* libraries are present, and opus is currently missing.

Hmm, have I broken something though? With this patch applied, my build
of libsndfile succeeds, but "sbc" seems to be failing. Or maybe I'm
doing something wrong?

$ ./pre-inst-env guix build libsndfile
$ echo $?
0
$ ./pre-inst-env guix build sbc
...
checking for SNDFILE... no
configure: error: sndfile library is required
command 
"/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin/bash" 
"./configure" 
"CONFIG_SHELL=/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin/bash"
 
"SHELL=/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin/bash"
 "--prefix=/gnu/store/nndszkyvfg56lgjnppivnm6fjsljls97-sbc-1.5" 
"--enable-fast-install" "--build=x86_64-unknown-linux-gnu" failed with status 1
builder for `/gnu/store/kbxzfb9lc9wp69q9p5zfcclxpd16jyj0-sbc-1.5.drv' failed 
with exit code 1
build of /gnu/store/kbxzfb9lc9wp69q9p5zfcclxpd16jyj0-sbc-1.5.drv failed
View build log at 
'/var/log/guix/drvs/kb/xzfb9lc9wp69q9p5zfcclxpd16jyj0-sbc-1.5.drv.bz2'.
guix build: error: build of 
`/gnu/store/kbxzfb9lc9wp69q9p5zfcclxpd16jyj0-sbc-1.5.drv' failed