Shaders with non-empty macros throw off #insert line numbers

[VReaperV]

Daemon/src/engine/renderer/gl_shader.cpp

Line 1037 in 0407cd8

void GLShaderManager::InitShader( GLShader* shader ) {

receives the shader without any macros set, so #insert gets incorrect line count if any macros are set.

[VReaperV]

A quick and dirty fix would be to add 3 commented out lines for every disabled macro, and then just add 3 lines to the count for #insert. Another option is to put all those compile macros into a separately attached shader.

[VReaperV]

@illwieckz Any thoughts on the above? Maybe another approach?