corrected spanish lang file for the modpack (for cpg1.4.21)

[François Keller]

The spanish lang file for the modpack had an error (semi collumn carracter failled on an line end)
corrected file attached to this post

[Fabricio Ferrero]

I thought it was ok due to after creating it I have been using it for several months..  :-\

Anyways, Thank you very much for taking the time to fix it François!    

Regards,

[Stramm]

Thanks
I'll remember it for the next update