Emergency goobsdiff patch: don't use LZMA_RUN after LZMA_FINISH

chrome/installer/mac/third_party/bsdiff/goobspatch.c

 /*-
  * Copyright 2003-2005 Colin Percival
  * All rights reserved
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted providing that the following conditions 
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 176 matching lines @@
                                 xzf->ls.next_in = xzf->in;
                                 xzf->ls.avail_in = fread(xzf->in, 1, BUFSIZ,
                                                          xzf->f);
                                 if (ferror(xzf->f)) {
                                         /* Map I/O errors to LZMA_STREAM_END. */
                                         xzf->err = LZMA_STREAM_END;
                                         if (err) *err = xzf->err;
                                         return 0;
                                 } else if (feof(xzf->f)) {
                                         xzf->eof = 1;
-                                        /* LZMA_FINISH is not critical because
-                                         * LZMA_CONCATENATED is not in use. */
-                                        action = LZMA_FINISH;
                                 }
                         }
 
                         /* Use the full output buffer. */
                         xzf->ls.next_out = xzf->out;
                         xzf->ls.avail_out = BUFSIZ;
 
                         /* There must be something to decode. */
                         if (xzf->ls.avail_in == 0) {
                                 xzf->err = LZMA_BUF_ERROR;
                                 if (err) *err = xzf->err;
                                 return 0;
                         }
 
+                        /* LZMA_FINISH is not critical because
+                         * LZMA_CONCATENATED is not in use. */
+                        if (xzf->eof)
+                                action = LZMA_FINISH;
+
                         /* Run the decoder. */
                         xzf->err = lzma_code(&xzf->ls, action);
                         if (xzf->err == LZMA_STREAM_END) {
                                 xzf->eof = 1;
                                 xzf->err = LZMA_OK;
                         } else if (xzf->err != LZMA_OK) {
                                 if (err) *err = xzf->err;
                                 return 0;
                         }
 
@@ skipping 300 matching lines @@
         /* Write the new file */
         if(((fd=open(argv[2],O_CREAT|O_TRUNC|O_WRONLY,0644))<0) ||
                 (write(fd,new,newsize)!=newsize) || (close(fd)==-1))
                 err(1,"open/write/close(%s)",argv[2]);
 
         free(new);
         free(old);
 
         return 0;
 }