fixed compilation with gcc 4.
fixed compilation with gcc 4.

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