Minor autoconf fix for iconv

diff --git a/configure.ac.in b/configure.ac.in
index bdfcbe3..e85f9b9 100644 (file)
--- a/configure.ac.in
+++ b/configure.ac.in
@@ -562,6 +562,7 @@ dnl
 dnl ICONV
 dnl
 
+m4_pattern_allow([AM_ICONV])
 AM_ICONV
 if test "$am_cv_func_iconv" != yes; then
   AC_MSG_WARN([Could not find libiconv])