l10n: Update git.pot (5 new, 3 removed messages)

Generate po/git.pot from v1.7.11-rc0-100-g5498c:

 * 5 new l10n messages at lines:
   635, 639, 1203, 1208, 3946

 * 3 removed l10n messages at lines:
   1194, 3158, 3936

Signed-off-by: Jiang Xin <[email protected]>

Author: jiangxin