Existing .gitignore for vim incorrectly matched matched ".swq" through ".swz".

While will never be generated by the vim source code.
http://unix.stackexchange.com/questions/326707/vim-what-are-all-the-possible-swapfile-extensions

Global/Vim.gitignore

 # swap
-[._]*.s[a-w][a-z]
-[._]s[a-w][a-z]
+[._]*.s[a-v][a-z]
+[._]*.sw[a-p]
+[._]s[a-v][a-z]
+[._]sw[a-p]
 # session
 Session.vim
 # temporary