made indent work again

vimrc

@@ -70,17 +70,17 @@ if has('eval')
    let g:detectindent_preferred_indent = 4
 endif
 
-fun! DetectDetectIndent()
+fun! <SID>DetectDetectIndent()
    try
-      call DetectIndent()
+      :DetectIndent
    catch
    endtry
 endfun
 
 if has('autocmd')
    autocmd BufEnter * :call WideFold()
-   if exists("*DetectIndent")
-      autocmd BufReadPost * :call DetectIndent()
+   if has('eval')
+      autocmd BufReadPost * :call s:DetectDetectIndent()
    endif
 endif
 
@@ -122,7 +122,6 @@ if has('eval')
          endtry
       endwhile
    endfun
-endif
 
    if has("gui_running")
       set background=light                                     " We use a light background here
@@ -137,6 +136,7 @@ else
       set background=dark                                      " We use a dark background here
       call LoadColorScheme("zellner")                          " Set the colorscheme
    endif
+endif
 
 " Show trailing whitespace visually
 " Shamelessly stolen from Ciaran McCreesh <ciaranm@gentoo.org>
@@ -218,6 +218,7 @@ nmap <C-]> :call GoDefinition()<CR>
 
 if has('autocmd')
    " Shortcuts
+   if has('eval')
       fun! <SID>cabbrev()
          iab #i #include
          iab #I #include
@@ -230,6 +231,7 @@ if has('autocmd')
       endfun
 
       autocmd FileType c,cpp :call <SID>cabbrev()
+   endif
 
    " make tab reindent in normal mode
    autocmd FileType c,cpp,cs,java nmap <Tab> =0<CR>