(jm_PREREQ_HUMAN): Use []-quoted list in AC_CHECK_DECLS,

now that autoconf requires that.

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 3be1d583a70c1552f8e9fb64fc997123e680a4c8..f38c2cf03e10d151d7d1826ef4b0e33a6732ae2a 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -43,7 +43,7 @@ AC_DEFUN(jm_PREREQ_CANON_HOST,
 AC_DEFUN(jm_PREREQ_HUMAN,
 [
   AC_CHECK_HEADERS(limits.h stdlib.h string.h)
-  AC_CHECK_DECLS((getenv))
+  AC_CHECK_DECLS([getenv])
   AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
 ])