Create fdfs_upload_file.c

cc -Wall -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE -g -O -DDEBUG_FLAG -DOS_LINUX -DIOEVENT_USE_EPOLL -DWITH_HTTPD -o fastdfs.so -shared fdfs_upload_file.c  ../common/fdfs_global.o ../common/fdfs_http_shared.o ../common/mime_file_parser.o ../tracker/tracker_proto.o ../tracker/fdfs_shared_func.o ../storage/trunk_mgr/trunk_shared.o tracker_client.o client_func.o client_global.o storage_client.o -lpthread -ldl -rdynamic -lfastcommon -I../common -I../tracker -I/usr/include/fastcommon -fPIC