Bug 4131

poky:bdca49274173153b1b0a72887de6321b4756b684
TOOLCHAIN:http://autobuilder.yoctoproject.org/pub/nightly/20130327-1/toolchain/x86_64/poky-eglibc-x86_64-x86_64-toolchain-gmae-1.3+snapshot-20130327.sh

STEPS TO REPRODUCE:
1. Download the above toolchain and try to install it like the following:

[tester@yocto-asus tmp2]$ bash poky-eglibc-x86_64-x86_64-toolchain-gmae-1.3+snapshot-20130327.sh 
Enter target directory for SDK (default: /opt/poky/1.3+snapshot): ./abilder
You are about to install the SDK to "/home/tester/tmp2/abilder". Proceed[Y/n]?y
Extracting SDK...done
Setting it up...Traceback (most recent call last):
  File "/home/tester/tmp2/abilder/relocate_sdk.py", line 208, in <module>
    arch = get_arch()
  File "/home/tester/tmp2/abilder/relocate_sdk.py", line 39, in get_arch
    ei_mag0,ei_mag1_3,ei_class = struct.unpack("<B3sB11x", e_ident)
struct.error: unpack requires a string argument of length 16
SDK could not be set up. Relocate script failed. Abort!
[tester@yocto-asus tmp2]$ 

EXPECTED RESULTS:
The toolchain is installed successfully

ACTUAL RESULTS:
The installation is stopped by some errors.