meson: Don't use internal dep during check
openh264 can be found internally and shoud not be enable in FFMpeg. Use only external dependency.
Fixes "Dependencies must be external dependencies" meson error.
Edited by Tim-Philipp Müller
openh264 can be found internally and shoud not be enable in FFMpeg. Use only external dependency.
Fixes "Dependencies must be external dependencies" meson error.