Avoid segfault?

Author: arahlin

core/src/dataio.cxx

@@ -347,8 +347,7 @@ class BZip2Decoder : public Decoder<bz_stream, char> {
 		stream_.avail_in = 0;
 		stream_.next_in = nullptr;
 		if (BZ2_bzDecompressInit(&stream_, 0, 0) != BZ_OK)
-			log_fatal("Error initializing bzip2 decoder: %s",
-			    BZ2_bzerror(&stream_, &err));
+			log_fatal("Error initializing bzip2 decoder");
 	}
 
 	~BZip2Decoder() {
@@ -665,13 +664,11 @@ class BZip2Encoder : public Encoder<bz_stream, char> {
 public:
 	BZip2Encoder(std::ostream &file, size_t size) : Encoder(file, size)
 	{
-		int err = 0;
 		stream_.bzalloc = nullptr;
 		stream_.bzfree = nullptr;
 		stream_.opaque = nullptr;
 		if (BZ2_bzCompressInit(&stream_, 9, 0, 0) != BZ_OK)
-			log_fatal("Error initializing bzip2 encoder: %s",
-			    BZ2_bzerror(&stream_, &err));
+			log_fatal("Error initializing bzip2 encoder");
 	}
 
 	~BZip2Encoder() {