Make remote_gcc_build.py accept the case where no gcc dir
is specified.

Test: run remote_gcc_build.py with/without gcc dir. It works fine

PRESUBMIT=passed
R=llozano,shenhan,carrot
APPROVED=shenhan
DELTA=68  (36 added, 9 deleted, 23 changed)
OCL=65545-p2
RCL=65599-p2
RDATE=2013/02/01 09:44:54


P4 change: 42806584
1 file changed
tree: 1d778994dc680a37735c0c29c25de0a784b59097
  1. .git5_specs/
  2. v14/