Normalize quotation to `...'.
diff --git a/include/ft2build.h b/include/ft2build.h
index 2ecfdea..923d887 100644
--- a/include/ft2build.h
+++ b/include/ft2build.h
@@ -5,7 +5,7 @@
/* FreeType 2 build and setup macros. */
/* (Generic version) */
/* */
-/* Copyright 1996-2001 by */
+/* Copyright 1996-2001, 2006 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -19,8 +19,8 @@
/*************************************************************************/
/* */
- /* This file corresponds to the default "ft2build.h" file for */
- /* FreeType 2. It uses the "freetype" include root. */
+ /* This file corresponds to the default `ft2build.h' file for */
+ /* FreeType 2. It uses the `freetype' include root. */
/* */
/* Note that specific platforms might use a different configuration. */
/* See builds/unix/ft2unix.h for an example. */