Add scancode and virtual key and fix some sdl stuff on Windows

build/scripts/modules/renderer.lua

@@ -12,12 +12,14 @@ MODULE.Libraries = {
 	"NazaraPlatform"
 }
 
-if Config.PlatformSDL2 then
+if (Config.PlatformSDL2) then
     table.insert(MODULE.Defines, "NAZARA_PLATFORM_SDL2")
 
     table.insert(MODULE.Files, "../src/Nazara/Renderer/SDL2/**.hpp")
     table.insert(MODULE.Files, "../src/Nazara/Renderer/SDL2/**.cpp")
 
+    table.insert(MODULE.Libraries, "SDL2")
+
     MODULE.FilesExcluded = {
         "../src/Nazara/Renderer/Win32/**",
         "../src/Nazara/Renderer/GLX/**.cpp"
@@ -43,4 +45,4 @@ else
         "GL",
         "X11"
     }
-end
+end