Examples: OpenGL2: Add msys2/mingw64 target (#361)
Examples: OpenGL2: Add msys2/mingw64 target (#361)

Pagghiu/imgui,dougbinks/imgui,Flix01/imgui,thevaber/imgui,tom-seddon/imgui,dougbinks/imgui,bkaradzic/imgui,wflohry/imgui-addons,thennequin/imgui,aimotive/imgui-glfw,ocornut/imgui,usagi/imguixx,kylawl/imgui,ggtucker/imgui,usagi/imguixx,nProtect/imgui,aimotive/imgui-glfw,seanmiddleditch/imgui,wflohry/imgui-addons,burningreggae/imgui,ocornut/imgui,mikesart/imgui,ggtucker/imgui,thennequin/imgui,wasikuss/imgui,seanmiddleditch/imgui,burningreggae/imgui,bkaradzic/imgui,elect86/imgui,Pagghiu/imgui,emoon/imgui,cmaughan/imgui,nmlgc/imgui,kylawl/imgui,Psybrus/imgui,ocornut/imgui,rxantos/imgui,wasikuss/imgui,cmaughan/imgui,Psybrus/imgui,tom-seddon/imgui,ggtucker/imgui,thevaber/imgui,bkaradzic/imgui,nmlgc/imgui,mikesart/imgui,nProtect/imgui,Flix01/imgui,Flix01/imgui,cmaughan/imgui,emoon/imgui,rxantos/imgui,elect86/imgui,nProtect/imgui,cmaughan/imgui