win32: add new TOC API to libgstreamer.def
win32: add new TOC API to libgstreamer.def

Fixes 'make check'.

lovebug356/gstreamer,cablelabs/gstreamer,centricular/gstreamer,ensonic/gstreamer,centricular/gstreamer,lovebug356/gstreamer,krieger-od/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,justinjoy/gstreamer,lovebug356/gstreamer,Lachann/gstreamer,justinjoy/gstreamer,surround-io/gstreamer,mparis/gstreamer,centricular/gstreamer,StreamUtils/gstreamer,cablelabs/gstreamer,ensonic/gstreamer,jpxiong/gstreamer,ensonic/gstreamer,drothlis/gstreamer,shelsonjava/gstreamer,cfoch/gstreamer,Lachann/gstreamer,cfoch/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,collects/gstreamer,justinjoy/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,jpakkane/gstreamer,lovebug356/gstreamer,jpxiong/gstreamer,drothlis/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,StreamUtils/gstreamer,StreamUtils/gstreamer,mparis/gstreamer,drothlis/gstreamer,centricular/gstreamer,ensonic/gstreamer,collects/gstreamer,drothlis/gstreamer,collects/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer,krichter722/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,shelsonjava/gstreamer,surround-io/gstreamer,jpxiong/gstreamer,collects/gstreamer,mparis/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,surround-io/gstreamer,jpxiong/gstreamer,mparis/gstreamer,krieger-od/gstreamer,shelsonjava/gstreamer,surround-io/gstreamer,drothlis/gstreamer,krichter722/gstreamer,cfoch/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,lubosz/gstreamer,lubosz/gstreamer,collects/gstreamer,krichter722/gstreamer,cablelabs/gstreamer,krichter722/gstreamer,mparis/gstreamer,Lachann/gstreamer,ensonic/gstreamer,Lachann/gstreamer,lubosz/gstreamer,shelsonjava/gstreamer,justinjoy/gstreamer,StreamUtils/gstreamer,Lachann/gstreamer,centricular/gstreamer,cfoch/gstreamer,lubosz/gstreamer