Apply (most) debian patches

Apply debian patch 02-encryption
Apply debian patch 03-dvdrom
Apply a modified version of patch 05-help-dialog
Apply debian patch 08-fix-gnu-make-detection
Apply debian patch 10-use-non-size-specific-icon-and-add-keywords-to-desktop-file
Apply debian patch 12-fix-spelling-of-up-to
Apply debian patch 13-fix-missing-language-field-in-po-files
Apply a modified version of debian patch 14-make-builds-reproducible
Apply debian patch 17-fix-all-but-deprecated-api-warnings
Apply a modified version of debian patch 18-update-copyright-in-about-dialog
Apply debian patch 19-show-text-files-with-abs-path
Apply debian patch 22-fix-hurd-i386-ftbfs
Apply debian patch 23-add-bdrom-support
Apply debian patch 25-fix-man-pages
Apply debian patch 27-allow-opening-in-browser-again
Apply debian patch 28-pdftex-reproducibility
Apply debian patch 29-fix-more-typos
Apply debian patch 30-hurd-kfreebsd-ftbfs
Apply debian patch 31-improve-hurd-and-kfreebsd-support
Apply debian patch 33-honour-LDFLAGS
Apply debian patch 34-gcc8-format-security.patch
Apply debian patch 35-archived-homepage
Apply debian patch 36-fix-parallelism

scsi-unknown.c

@@ -25,7 +25,7 @@
 #include "scsi-layer.h"
 #include "udf.h"
 
-#ifdef SYS_UNKNOWN
+#if defined(SYS_UNKNOWN) || defined(SYS_HURD)
 
 /* Dummy routines so that we can compile on unknown architectures
    for which we don't have SCSI support yet. */
@@ -51,4 +51,4 @@ int SendPacket(DeviceHandle *dh, unsigned char *cmd, int cdb_size, unsigned char
    return -1;
 }
 
-#endif /* SYS_UNKNOWN */
+#endif /* defined(SYS_UNKNOWN) || defined(SYS_HURD) */