https://sourceforge.net/tracker/?func=detail&aid=3322910&group_id=1306&atid=301306

=== modified file 'dump/tape.c'
--- dump/tape.c	2011-06-20 07:22:40 +0000
+++ dump/tape.c	2011-06-20 07:57:11 +0000
@@ -1281,9 +1281,9 @@
 			compresult = 1;
 #ifdef HAVE_ZLIB
 			if (zipflag == COMPRESS_ZLIB) {
-				compresult = compress2(comp_buf->buf, 
+				compresult = compress2((Bytef *)comp_buf->buf, 
 						       &worklen,
-						       (char *)slp->tblock[0],
+						       (Bytef *)slp->tblock[0],
 						       writesize, 
 						       compressed);
 				if (compresult == Z_OK)
@@ -1313,8 +1313,9 @@
 #ifdef HAVE_LZO
 			if (zipflag == COMPRESS_LZO) {
 				lzo_uint worklen2 = worklen;
-				compresult = lzo1x_1_compress((char *)slp->tblock[0],writesize,
-                                                              comp_buf->buf,
+				compresult = lzo1x_1_compress((lzo_bytep)slp->tblock[0],
+                                                              writesize,
+                                                              (lzo_bytep)comp_buf->buf,
 							      &worklen2,
                                                               LZO_WorkMem);
 				worklen = worklen2;

=== modified file 'dump/traverse.c'
--- dump/traverse.c	2011-06-20 07:22:40 +0000
+++ dump/traverse.c	2011-06-20 07:57:11 +0000
@@ -782,13 +782,13 @@
 	for (i = p->next_block; i < blockcnt; i++) {
 		p->buf[p->cnt++] = 0;
 		if (p->cnt == p->max) {
-			blksout (p->buf, p->cnt, p->ino);
+			blksout ((blk_t *)p->buf, p->cnt, p->ino);
 			p->cnt = 0;
 		}
 	}
 	p->buf[p->cnt++] = *blocknr;
 	if (p->cnt == p->max) {
-		blksout (p->buf, p->cnt, p->ino);
+		blksout ((blk_t *)p->buf, p->cnt, p->ino);
 		p->cnt = 0;
 	}
 	p->next_block = blockcnt + 1;
@@ -868,14 +868,15 @@
 void
 dumpino(struct dinode *dp, dump_ino_t ino, int metaonly)
 {
+	fsizeT remaining;
+	char buf[TP_BSIZE];
+	struct new_bsd_inode nbi;
+	int i;
+#ifdef	__linux__
+	struct block_context bc;
+#else
 	unsigned long cnt;
-	fsizeT size, remaining;
-	char buf[TP_BSIZE];
-	struct new_bsd_inode nbi;
-	int i;
-#ifdef	__linux__
-	struct block_context bc;
-#else
+	fsizeT size;
 	int ind_level;
 #endif
 	u_quad_t i_size;
@@ -1001,13 +1002,13 @@
 		for (i = 0; i < (int)howmany(remaining, sblock->fs_fsize); i++) {
 			bc.buf[bc.cnt++] = 0;
 			if (bc.cnt == bc.max) {
-				blksout (bc.buf, bc.cnt, bc.ino);
+				blksout ((blk_t *)bc.buf, bc.cnt, bc.ino);
 				bc.cnt = 0;
 			}
 		}
 	}
 	if (bc.cnt > 0) {
-		blksout (bc.buf, bc.cnt, bc.ino);
+		blksout ((blk_t *)bc.buf, bc.cnt, bc.ino);
 	}
 	free(bc.buf);
 	dump_xattr(ino, dp);
@@ -1016,7 +1017,7 @@
 		cnt = NDADDR * sblock->fs_frag;
 	else
 		cnt = howmany(i_size, sblock->fs_fsize);
-	blksout(&dp->di_db[0], cnt, ino);
+	blksout((blk_t *)&dp->di_db[0], cnt, ino);
 	if ((quad_t) (size = i_size - NDADDR * sblock->fs_bsize) <= 0) {
 		dump_xattr(ino, dp);
 		return;

=== modified file 'restore/tape.c'
--- restore/tape.c	2011-06-20 07:22:40 +0000
+++ restore/tape.c	2011-06-20 07:57:11 +0000
@@ -2335,8 +2335,10 @@
 #ifndef HAVE_ZLIB
 			errx(1,"This restore version doesn't support zlib decompression");
 #else
-			cresult = uncompress(comprbuf, &worklen, 
-					     tpbin->buf, blocklen);
+			cresult = uncompress((Bytef *)comprbuf,
+			                     &worklen, 
+					     (Bytef *)tpbin->buf,
+					     blocklen);
 			output = comprbuf;
 			switch (cresult) {
 				case Z_OK:
@@ -2397,8 +2399,8 @@
 			errx(1,"This restore version doesn't support lzo decompression");
 #else
 			lzo_uint worklen2 = worklen;
-			cresult = lzo1x_decompress(tpbin->buf, blocklen,
-                                                   comprbuf, &worklen2, NULL);
+			cresult = lzo1x_decompress((lzo_bytep)tpbin->buf, blocklen,
+                                                   (lzo_bytep)comprbuf, &worklen2, NULL);
 			worklen = worklen2;
 			output = comprbuf;
 			switch (cresult) {