Description of problem:
Firefox icon on desktop is too big. Firefox icon in gnome-default-applications-properties is too big.

Version-Release number of selected component (if applicable):
RHEL 5 (5.2 tested)

How reproducible:
Every time

Steps to Reproduce:
1. go to Application/Internet menu
2. drag and drop Firefox browser to desktop
or
1. execute gnome-default-applications-properties
2. look at drop down menu of available web browsers
  
Actual results:
Icon has size 128x128px

Expected results:
Icon should have size 48x48px, or 16x16px (in gnome-default-applications-properties)

Additional info:
The problem is in firefox.spec file and source file 'firefox.png'.