logstalgia: add missing libX11

Grimmauld db355161 e2970e59

+2
+2
pkgs/by-name/lo/logstalgia/package.nix
··· 12 12 glew, 13 13 libGLU, 14 14 libGL, 15 + libX11, 15 16 boost, 16 17 glm, 17 18 freetype, ··· 33 34 ftgl 34 35 libpng 35 36 libjpeg 37 + libX11 36 38 pcre 37 39 SDL2_image 38 40 libGLU