Merge pull request #3302 from khaveesh/master

latexindent: Run fixer from stdin instead of a temporary file

test/fixers/test_latexindent_fixer_callback.vader

@@ -18,10 +18,8 @@ Execute(The latexindent callback should return the correct default values):
 
   AssertEqual
   \ {
-  \   'read_temporary_file': 1,
   \   'command': ale#Escape('xxxinvalid')
-  \     . ' -l -w'
-  \     . ' %t',
+  \     . ' -l'
   \ },
   \ ale#fixers#latexindent#Fix(bufnr(''))
 
@@ -31,10 +29,8 @@ Execute(The latexindent callback should include custom gofmt options):
 
   AssertEqual
   \ {
-  \   'read_temporary_file': 1,
   \   'command': ale#Escape('xxxinvalid')
-  \     . ' -l -w'
+  \     . ' -l'
   \     . ' ' . g:ale_tex_latexindent_options
-  \     . ' %t',
   \ },
   \ ale#fixers#latexindent#Fix(bufnr(''))