Show error message everytime a shader uniform's location can't be found.
Show error message everytime a shader uniform's location can't be found.

Adjusted code style (TankOs).

Original commit message by the author:
  Show only 1 once the message "Parameter not found"

Conflicts:
  src/SFML/Graphics/Shader.cpp

Polyfructol/Fire,Polyfructol/Fire,Polyfructol/Fire,Polyfructol/Fire