Make init_config and init_fixes static

Fixes -Wmissing-prototypes warnings.

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
trace: delete unused _vdp_cap_dump_point

Nothing actually uses VdpPoint, so this tracing function was never called.  I
left the VdpPoint type in vdpau.h for now, just in case anyone actually uses it
themselves.

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Bump version to 0.7

Signed-off-by: Aaron Plattner <aplattner@nvidia.com>