missing 5.4.3 tag

[Sven Brauch]

The fact that the version in the CMakeLists.txt file is X in some branch doesn't 
imply X is released.

On 10/19/19 8:07 PM, René J. V. Bertin wrote:
> Friedrich W. H. Kossebau wrote:
> 
>> Not, because there was no release yet.
> 
> Tell that to KDevelop :P
> 
> ```
>> kdevelop --version
> kdevelop 5.4.3 (v5.4.2-19-g24d0c68338)
> ```
>