patch by Charlie, related to recent changes of multi-uv/lightmap generation. This fix makes it possible to use lightmaps in the game engine.

source/gameengine/Rasterizer/RAS_OpenGLRasterizer/RAS_OpenGLRasterizer.cpp

@@ -1243,6 +1243,8 @@ void RAS_OpenGLRasterizer::TexCoord(const RAS_TexVert &tv, int enabled)
 				break;
 			case RAS_TEXTANGENT:
 				bgl::blMultiTexCoord4fvARB(GL_TEXTURE0_ARB+unit, tv.getTangent());
+			case RAS_TEXCO_UV2:
+				bgl::blMultiTexCoord2fvARB(GL_TEXTURE0_ARB+unit, tv.getUV2());
 			}
 		}
 	}