Workaround build failure on -fno-common toolchains like upstream
gcc-10. Otherwise build fails as:
ld: alsa_device.o:(.bss+0x8): multiple definition of `rc'; QvkAlsaDevice.o:(.bss+0x8): first defined here
After making `ffmpeg` point to the latest `ffmpeg_4`, all packages that
used `ffmpeg` without requiring a specific version now use ffmpeg_3
explicitly so they shouldn't change.
* pkgs: refactor needless quoting of homepage meta attribute
A lot of packages are needlessly quoting the homepage meta attribute
(about 1400, 22%), this commit refactors all of those instances.
* pkgs: Fixing some links that were wrongfully unquoted in the previous
commit
* Fixed some instances
vokoscreen is an easy to use screencast creator to record educational
videos, live recordings of browser, installation, videoconferences, etc.
It uses Qt5 and ffmpeg.