Squashed 'subt/incRepo/' content from commit ce9ce2d

git-subtree-dir: subt/incRepo
git-subtree-split: ce9ce2de65bbc6bcb298d0d9d7778427739c5b44
Merge commit 'abf1bf9495bd0f01beba6432b7462a1fd1241805' as 'subt/incRepo'
Squashed 'subt/incRepo/' changes from ce9ce2d..a6fe07b

a6fe07b add sth on Github into incRepo Repository

git-subtree-dir: subt/incRepo
git-subtree-split: a6fe07b29620f2262a749cde03c88d0725d62078
Merge commit '70426d75f1bee2ae4faad8c0cd57aff62c8a1031'
add some line in a.c into incRepo Repository