build: fix utf-8 name of copyright holder

PR-URL: libuv#1817
Reviewed-By: Colin Ihrig <[email protected]>

m4/libuv-check-flags.m4

@@ -1,5 +1,5 @@
 dnl Macros to check the presence of generic (non-typed) symbols.
-dnl Copyright (c) 2006-2008 Diego Pettenà <flameeyes gmail com>
+dnl Copyright (c) 2006-2008 Diego Pettenò <flameeyes gmail com>
 dnl Copyright (c) 2006-2008 xine project
 dnl
 dnl This program is free software; you can redistribute it and/or modify
@@ -316,4 +316,4 @@ AC_DEFUN([CC_ATTRIBUTE_ALIGNED], [
      AC_DEFINE_UNQUOTED([ATTRIBUTE_ALIGNED_MAX], [$cc_cv_attribute_aligned],
        [Define the highest alignment supported])
   fi
-])
+])