BaseTools/Pccts: Resolve GCC sting format mismatch build warning

https://bugzilla.tianocore.org/show_bug.cgi?id=282

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
1 file changed