Seems like GOA changed its API. Build failure:

make[4]: Entering directory `/data/src/jhbuild/gnome-control-center/panels/online-accounts'
  CC     cc-online-accounts-model.lo
  CC     cc-online-accounts-panel.lo
  ITMRG  gnome-online-accounts-panel.desktop
cc-online-accounts-panel.c: In function 'show_page_account':
cc-online-accounts-panel.c:370:34: warning: passing argument 5 of 'goa_provider_show_account' from incompatible pointer type [enabled by default]
In file included from /data/build/include/goa-1.0/goabackend/goabackend.h:34:0,
                 from cc-online-accounts-panel.c:31:
/data/build/include/goa-1.0/goabackend/goaprovider.h:134:6: note: expected 'struct GtkGrid *' but argument is of type 'struct GtkTable *'
cc-online-accounts-panel.c:370:34: error: too few arguments to function 'goa_provider_show_account'
In file included from /data/build/include/goa-1.0/goabackend/goabackend.h:34:0,
                 from cc-online-accounts-panel.c:31:
/data/build/include/goa-1.0/goabackend/goaprovider.h:134:6: note: declared here
make[4]: *** [cc-online-accounts-panel.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
make[4]: Leaving directory `/data/src/jhbuild/gnome-control-center/panels/online-accounts'
make[3]: *** [all-recursive] Error 1
make[3]: Leaving directory `/data/src/jhbuild/gnome-control-center/panels/online-accounts'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/data/src/jhbuild/gnome-control-center/panels'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/data/src/jhbuild/gnome-control-center'
make: *** [all] Error 2