This reverts commit ae349ca6ba432e427eb2f81c8bf6d96a524fefa8.
Fixing these warnings, unfortunately also means, that hot code
(which reloads a shared library during runtime) can not use V
constants, because the private static C variables in the shared
library will not be initialized by _vinit(), which is only called
by the main V program.
For example in examples/hot_reload/bounce.v, using `gx.blue`,
defined as:
` blue = Color { r: 0, g: 0, b: 255 }`
... will instead use a const with all 0 fields (i.e. a black color).
2f6757a56a