Normalize line endings

This commit contains only the result of `git add --renormalize .`

`git show --ignore-space-change` can verify that this commit only
changes whitespace.

.editorconfig

@@ -1,10 +1,10 @@
-root=true
-
-[*.{h,c,cpp}]
-indent_style=tab
-indent_size=4
-tab_width=4
-end_of_line=lf
-charset=latin1
-trim_trailing_whitespace=true
-insert_final_newline=true
+root=true
+
+[*.{h,c,cpp}]
+indent_style=tab
+indent_size=4
+tab_width=4
+end_of_line=lf
+charset=latin1
+trim_trailing_whitespace=true
+insert_final_newline=true