- A second follow-up change by Andre Guibert de Bruet to fix a related memory

leak like that fixed on the 14th. When zlib returns failure, we need to
  cleanup properly before returning error.

CHANGES

@@ -7,6 +7,10 @@
                                   Changelog
 
 Daniel Stenberg (17 Feb 2009)
+- A second follow-up change by Andre Guibert de Bruet to fix a related memory
+  leak like that fixed on the 14th. When zlib returns failure, we need to
+  cleanup properly before returning error.
+
 - CURLOPT_FTP_CREATE_MISSING_DIRS can now be set to 2 in addition to 1 for
   plain FTP connections, and it will then allow MKD to fail once and retry the
   CWD afterwards. This is especially useful if you're doing many simultanoes

lib/content_encoding.c

@@ -136,7 +136,7 @@ inflate_stream(struct connectdata *conn,
       (void) inflateEnd(z);     /* don't care about the return code */
       if(inflateInit2(z, -MAX_WBITS) != Z_OK) {
         free(decomp);
-        return process_zlib_error(conn, z);
+        return exit_zlib(z, &k->zlib_init, process_zlib_error(conn, z));
       }
       z->next_in = orig_in;
       z->avail_in = nread;