control: B-D on patch

Quoth ob-applypatches:

    ob-applypatches: Applying patch "0001-cli-Set-default-conf-file-path-in-build-system.patch"...
    patching file CMakeLists.txt
    patching file src/opkg-cl.c
    ob-applypatches: Applying patch "0002-build-Allow-overriding-opkg-state-dir-prefix.patch"...
    patching file CMakeLists.txt
    ob-applypatches: Applying patch "0003-cli-Optionally-enforce-argument-to-upgrade-command.patch"...
    patching file CMakeLists.txt
    patching file libopkg/opkg_cmd.c
    patching file src/opkg-cl.c
    ob-applypatches: Applying patch "0004-libopkg-Fix-segfault-on-trailing-comma-in-deps.patch"...
    patching file libopkg/pkg_depends.c
    ob-applypatches: Applying patch "0005-libopkg-Detect-gzipped-pkg-lists-by-magic-number.patch"...
    patching file libbb/gzip.h
    patching file libopkg/pkg_hash.c
    Possibly reversed hunk 1 at 761
    Hunk 1 FAILED 99/99.
     {
     	pkg_t *pkg;
     	FILE *fp;
    +	char magic[2];
    +	int is_gzip = 0;
     	char *buf;
     	const size_t len = 4096;
     	int ret = 0;
     	struct gzip_handle zh;

    -	if (src && src->gzip) {
    -		fp = gzip_fdopen(&zh, file_name);
    -	} else {
    -		fp = fopen(file_name, "r");
    -	}
    -
    +	fp = fopen(file_name, "r");
     	if (fp == NULL) {
     		opkg_perror(ERROR, "Failed to open %s", file_name);
     		return -1;
     	}
    +	if (fread(magic, 1, 2, fp) != 2) {
    +		opkg_perror(ERROR, "Failed to read %s", file_name);
    +		fclose(fp);
    +		return -1;
    +	}
    +	(void)fseek(fp, 0L, SEEK_SET);
    +
    +	if (src && src->gzip && memcmp(magic, GZIP_MAGIC, 2) == 0) {
    +		fclose(fp);
    +		fp = gzip_fdopen(&zh, file_name);
    +		if (fp == NULL) {
    +			opkg_perror(ERROR, "Failed to open %s", file_name);
    +			return -1;
    +		}
    +		is_gzip = 1;
    +	}

     	buf = xmalloc(len);

    ob-applypatches: Error: Can't apply patch "0005-libopkg-Detect-gzipped-pkg-lists-by-magic-number.patch"

1 files changed, 2 insertions, 1 deletions

diff --git a/control b/control
index d97e3d6..445cb75 100644
--- a/control
+++ b/control
@@ -1,3 +1,4 @@
 Maintainer: Patrick McDermott <patrick.mcdermott@libiquity.com>
-Build-Depends: opkbuild (>= 4.0.2), opkhelper-3.0 (>= 3.0.2), cmake, libubox-dev
+Build-Depends: opkbuild (>= 4.0.2), patch, opkhelper-3.0 (>= 3.0.2),
+ cmake, libubox-dev
 Homepage: https://git.openwrt.org/?p=project/opkg-lede.git;a=summary