Properly quote AC_CHECK_DECLS' 4th argument.

[gnulib.git] / m4 / fnmatch.m4

diff --git a/m4/fnmatch.m4 b/m4/fnmatch.m4
index 22ba35c..150fefe 100644 (file)
--- a/m4/fnmatch.m4
+++ b/m4/fnmatch.m4
@@ -1,4 +1,4 @@
-# Check for fnmatch - serial 7.
+# Check for fnmatch - serial 8.
 
 # Copyright (C) 2000-2007, 2009-2011 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
@@ -150,7 +150,7 @@ AC_DEFUN([gl_PREREQ_FNMATCH],
     [Define to a replacement function name for fnmatch().])
   dnl Prerequisites of lib/fnmatch.c.
   AC_REQUIRE([AC_TYPE_MBSTATE_T])
-  AC_CHECK_DECLS([isblank], [], [], [#include <ctype.h>])
+  AC_CHECK_DECLS([isblank], [], [], [[#include <ctype.h>]])
   AC_CHECK_FUNCS_ONCE([btowc isblank iswctype mbsrtowcs mempcpy wmemchr wmemcpy wmempcpy])
   AC_CHECK_HEADERS_ONCE([wctype.h])
 ])