fix typo

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index 286f990a1e2dc919b7649cb6facd6ebed620ba57..122d69e0572677577d559e3730b9299fc5373708 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -33,7 +33,7 @@ AC_DEFUN(jm_PREREQ_QUOTEARG,
   AC_CHECK_HEADERS(limits.h stdlib.h string.h wchar.h)
   AC_HEADER_STDC
   AC_C_BACKSLASH_A
-  AC_M_PROTOTYPES
+  AM_C_PROTOTYPES
 ])
 
 AC_DEFUN(jm_PREREQ_READUTMP,