fixed pathogen submodule reference

.gitmodules

 # Core
 [submodule ".vim/bundle/pathogen"]
-        path = .vim/bundle/pathogen
+        path = .vim/bundle/vim-pathogen
         url = https://github.com/tpope/vim-pathogen.git
 
-
 [submodule ".vim/bundle/ctrlp.vim"]
         path = .vim/bundle/ctrlp.vim
         url = https://github.com/kien/ctrlp.vim.git