ExternalBox2D: use CMAKE_COMMAND to execute patch
ExternalBox2D: use CMAKE_COMMAND to execute patch

thorsummoner/polycode,zeebok/Polycode,thorsummoner/polycode,GovanifY/Polycode,sshaileshk/Polycode,ivansafrin/Polycode,zeebok/Polycode,cartman300/Polycode,GovanifY/Polycode,Xetlin/Lua,carlosmarti/Polycode,hksonngan/Polycode,cartman300/Polycode,ivansafrin/Polycode,cartman300/Polycode,GovanifY/Polycode,sshaileshk/Polycode,mcanthony/Polycode,mcanthony/Polycode,mcanthony/Polycode,Xetlin/Lua,sshaileshk/Polycode,cartman300/Polycode,mcanthony/Polycode,fodinabor/Polycode,hksonngan/Polycode,GovanifY/Polycode,fodinabor/Polycode,hksonngan/Polycode,ivansafrin/Polycode,sshaileshk/Polycode,carlosmarti/Polycode,thorsummoner/polycode,zeebok/Polycode,Xetlin/Lua,ivansafrin/Polycode,hksonngan/Polycode,zeebok/Polycode,thorsummoner/polycode,carlosmarti/Polycode,Xetlin/Lua,fodinabor/Polycode,fodinabor/Polycode