Set proper sdl2 min bound (#204)

TristanCacqueray · web-flow · commit d8194102541d · 2024-05-12T10:21:29.000Z
This change prevents building against sdl2 version 1 which
does not have the necessary exposed modules.
diff --git a/dear-imgui.cabal b/dear-imgui.cabal
@@ -252,7 +252,7 @@ library
     exposed-modules:
       DearImGui.SDL
     build-depends:
-      sdl2
+      sdl2 >= 2
     cxx-sources:
       imgui/backends/imgui_impl_sdl2.cpp
 
