e2fsprogs: disarm mount-point checks

On Noux, these checks are not needed because there is no notion of mount
points.

repos/ports/ports/e2fsprogs.hash

@@ -1 +1 @@
-a6a76f9f5d81f6ac86c9f43d657be0c25ede843d
+a65db85fad26a118b92cccf5ca742c1197809be3

repos/ports/src/noux-pkg/e2fsprogs/patches/ismounted.c.patch

@@ -0,0 +1,11 @@
++++ src/noux-pkg/e2fsprogs/lib/ext2fs/ismounted.c
+@@ -352,6 +352,9 @@
+ {
+ 	errcode_t	retval = 0;
+ 
++	/* disarm the mount-point check as Genode has no notion of mount points */
++	return 0;
++
+ 	if (is_swap_device(device)) {
+ 		*mount_flags = EXT2_MF_MOUNTED | EXT2_MF_SWAP;
+ 		strncpy(mtpt, "<swap>", mtlen);