rtpdec: Initialize some variables to silence compiler warnings

The warnings are false positives, older gcc versions (such as 4.5)
think the variables can be used uninitialized while they in
practice can't, while newer (4.6) gets it right.

Signed-off-by: Martin Storsjö <martin@martin.st>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  rtpdec: Initialize some variables to silence compiler warnings

Merged-by: Michael Niedermayer <michaelni@gmx.at>
h264: make it possible to compile without error_resilience.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
h264: put call to ff_print_debug_info2 under CONFIG_MPEGVIDEO.

The code is located in mpegvideo, and it's likely that in a minimal
config, we don't want to include debug info anyway.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>