crcalc.c does not update all the trx information

```
What steps will reproduce the problem?
1. ./src/crcalc/patch.c
int patch_trx(char *buf, size_t size)
needs to be fixed.
2. image size in TRX Header is not updated after executing crcalc.c

What is the expected output? What do you see instead?

image size in TRX Header should be updated after executing crcalc.c
but it is not updated.

What version of the product are you using? On what operating system?

fmk 0.99

Please provide any additional information below.

```

Original issue reported on code.google.com by `kjh1311...@gmail.com` on 29 Jul 2013 at 5:08

Start in src/crcalc/patch.c at patch_trx(char *buf, size_t size), then reproduce the issue by executing crcalc.c and inspecting the TRX header. Done means the image size in the TRX Header is updated after crcalc.c runs.

Written by the indexing model from the issue text.