Fix compile error cache->index
Fix compile error cache->index

Original commit message from CVS:
Fix compile error cache->index

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