update libtool requirement for latest plugin symbol changes
update libtool requirement for latest plugin symbol changes

Original commit message from CVS:
update libtool requirement for latest plugin symbol changes

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