gst-uninstalled: add ugly/bad/ffmpeg pkg-config dirs to PKG_CONFIG_PATH
gst-uninstalled: add ugly/bad/ffmpeg pkg-config dirs to PKG_CONFIG_PATH

So we can figure out plugin directories of other modules properly in
the uninstalled setup case, for unit tests that need elements from
other modules.

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