clang-format: Add include sorting capabilities to sublime, emacs and
clang-format-diff.py.

llvm-svn: 249567
diff --git a/clang/tools/clang-format/clang-format-sublime.py b/clang/tools/clang-format/clang-format-sublime.py
index 16ff56e..1cffcec 100644
--- a/clang/tools/clang-format/clang-format-sublime.py
+++ b/clang/tools/clang-format/clang-format-sublime.py
@@ -32,7 +32,7 @@
     if encoding == 'Undefined':
       encoding = 'utf-8'
     regions = []
-    command = [binary, '-style', style]
+    command = [binary, '-sort-includes', '-style', style]
     for region in self.view.sel():
       regions.append(region)
       region_offset = min(region.a, region.b)