The bug is that only remove the first [] when it does the char count, however sometimes we use [edk2][patch] as prefix, this patch fix this bug. Fixes: https://bugzilla.tianocore.org/show_bug.cgi?id=113 Cc: Liming Gao <liming.gao@intel.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>