busybox: fix awk %% error. Closes #331

core/busybox/checksums

@@ -7,6 +7,7 @@ f0e17fefc0af6b10205d72b242b6ef7481a58ff07726c62890ebc5893b96a396
 73be7b16dcff44e88eb48696522794f529beddf9d5a139b8a76cc8685a9f6fc8
 d70c4cd6381baeb3836c0387f53553021b48bdc851de49f1c86d836f7d0355fc
 b030d6ac2b3284cf3cc0a2eec886d26b7e09ea59feb460a6a09165da62a582b4
+fc5e47e82765dc43c0b271156d40cf80148fb67b55c935e6f61a0e052ba49e40
 c8a6fc95a75fa355d570c14e214d68a618e060a486b824b83b5140b9c6a894a7
 5f3d6cbdc7060deab644555201365e6dd15ffed07d341532c3d82a170e95c0bd
 423c3a67ad56b290ef73440cb748dbc3c6ee2ec486683b5e19242a804db8085b

core/busybox/patches/awk-fix-%%.patch

@@ -0,0 +1,21 @@
+diff --git a/editors/awk.c b/editors/awk.c
+index 3adbca7..f7b8ef0 100644
+--- a/editors/awk.c
++++ b/editors/awk.c
+@@ -2346,8 +2346,15 @@ static char *awk_printf(node *n, size_t *len)
+ 		size_t slen;
+ 
+ 		s = f;
+-		while (*f && (*f != '%' || *++f == '%'))
++		while (*f && *f != '%')
+ 			f++;
++		c = *++f;
++		if (c == '%') { /* double % */
++			slen = f - s;
++			s = xstrndup(s, slen);
++			f++;
++			goto tail;
++		}
+ 		while (*f && !isalpha(*f)) {
+ 			if (*f == '*')
+ 				syntax_error("%*x formats are not supported");

core/busybox/sources

@@ -7,6 +7,7 @@ patches/install-fix-chown.patch patch
 patches/lsusb-vendor-product.patch patch
 patches/unzip-usage-no-error.patch patch
 patches/init-use-baseinit.patch patch
+patches/awk-fix-%%.patch patch
 patches/fix-UB.patch patch-clang
 files/.config
 files/.config-suid

core/busybox/version

@@ -1 +1 @@
-1.34.0 4
+1.34.0 5