Define va_copy() for gcc if it's not already defined
Define va_copy() for gcc if it's not already defined

gospodnetic/appleseed,luisbarrancos/appleseed,glebmish/appleseed,aiivashchenko/appleseed,Biart95/appleseed,appleseedhq/appleseed,gospodnetic/appleseed,est77/appleseed,pjessesco/appleseed,glebmish/appleseed,Biart95/appleseed,appleseedhq/appleseed,aiivashchenko/appleseed,Aakash1312/appleseed,Aakash1312/appleseed,dictoon/appleseed,Biart95/appleseed,luisbarrancos/appleseed,glebmish/appleseed,aiivashchenko/appleseed,Vertexwahn/appleseed,luisbarrancos/appleseed,dictoon/appleseed,pjessesco/appleseed,dictoon/appleseed,aytekaman/appleseed,Aakash1312/appleseed,est77/appleseed,gospodnetic/appleseed,appleseedhq/appleseed,aytekaman/appleseed,aytekaman/appleseed,appleseedhq/appleseed,Biart95/appleseed,Vertexwahn/appleseed,Vertexwahn/appleseed,est77/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,dictoon/appleseed,Vertexwahn/appleseed,appleseedhq/appleseed,Aakash1312/appleseed,aiivashchenko/appleseed,dictoon/appleseed,glebmish/appleseed,pjessesco/appleseed,luisbarrancos/appleseed,gospodnetic/appleseed,aiivashchenko/appleseed,gospodnetic/appleseed,Aakash1312/appleseed,est77/appleseed,glebmish/appleseed,pjessesco/appleseed,Biart95/appleseed,est77/appleseed,luisbarrancos/appleseed,aytekaman/appleseed,aytekaman/appleseed