vcs_git: fix display with branch name starting with digits

By suggestion of @Artoria2e5 about UNIX escape characters.

Author: MingcongBai

bashrc.d/.vcs_git

@@ -34,11 +34,11 @@ alias __git_branch="git branch 2>/dev/null | grep '*' | sed 's/*\ //g'"
 _git_status() {
 	git branch &>/dev/null || return 1
 	if LC_ALL=C git status | grep -q "nothing to commit"; then 
-		 echo -e "\01\e[1m\02@\01\e[0;32m\02$(__git_branch)\01\e[0m\02"
+		 echo -e "\01\e[1m\02@\01\e[0;32m\0002$(__git_branch)\01\e[0m\02"
 	elif LC_ALL=C git status | grep -q "nothing added to commit"; then # Untracked
-		 echo -e "\01\e[1m\02@\01\e[0;35m\02$(__git_branch)\01\e[0m\02"
+		 echo -e "\01\e[1m\02@\01\e[0;35m\0002$(__git_branch)\01\e[0m\02"
 	else  # Change not added/not merged yet
-		 echo -e "\01\e[1m\02@\01$IRED\02$(__git_branch)\01\e[0m\02"
+		 echo -e "\01\e[1m\02@\01$IRED\0002$(__git_branch)\01\e[0m\02"
 	fi
 }