(jm_FUNC_GLIBC_UNLOCKED_IO): Quote first arg of AC_DEFUN.

diff --git a/m4/jm-glibc-io.m4n b/m4/jm-glibc-io.m4n
index b90f5033e373cb5a9ad6514e1c077f36c10226ae..b30da0e3b3a1f5a747a204ec4c990ef600e78087 100644 (file)
--- a/m4/jm-glibc-io.m4n
+++ b/m4/jm-glibc-io.m4n
@@ -6,7 +6,7 @@ dnl See if the glibc *_unlocked I/O macros are available.
 dnl Use only those *_unlocked macros that are declared.
 dnl
 
-AC_DEFUN(jm_FUNC_GLIBC_UNLOCKED_IO,
+AC_DEFUN([jm_FUNC_GLIBC_UNLOCKED_IO],
   [
     # Kludge (not executed) to make autoheader do the right thing.
     if test a = b; then