pkgconfig: fix dependencies and slightly improve description.
-rw-r--r-- 1233 .gitignore
-rw-r--r-- 270 AUTHORS
-rw-r--r-- 26530 COPYING.LIB
-rw-r--r-- 692 Makefile.am
-rw-r--r-- 5576 NEWS
-rw-r--r-- 2515 README
-rwxr-xr-x 722 autogen.sh
-rw-r--r-- 18704 configure.ac
drwxr-xr-x - debian.upstream
drwxr-xr-x - docs
drwxr-xr-x - gst-libs
drwxr-xr-x - gst
drwxr-xr-x - pkgconfig
drwxr-xr-x - tests