Tito unified fdflush and freeramdisk. I tweaked the result a bit.
diff --git a/include/applets.h b/include/applets.h
index bfdfe11..7a1b17f 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -106,7 +106,7 @@
USE_FAKEIDENTD(APPLET(fakeidentd, fakeidentd_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
USE_FALSE(APPLET(false, false_main, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_FBSET(APPLET(fbset, fbset_main, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
-USE_FDFLUSH(APPLET(fdflush, fdflush_main, _BB_DIR_BIN, _BB_SUID_NEVER))
+USE_FDFLUSH(APPLET(fdflush, freeramdisk_main, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_FDFORMAT(APPLET(fdformat, fdformat_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
USE_FDISK(APPLET(fdisk, fdisk_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_FEATURE_GREP_FGREP_ALIAS(APPLET_NOUSAGE("fgrep", grep_main, _BB_DIR_BIN, _BB_SUID_NEVER))