Make sure ICONV_CONST is defined. AM_ICONV does not define it if it fails to find...

diff --git a/src/utf8.c b/src/utf8.c
index 8a8fb42f0b785d143b19b1c65511f7486167e193..5aba250b2d94009628bb4c6638d595f6faa122fd 100644 (file)
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -23,6 +23,10 @@
 # include <iconv.h>
 #endif
 
+#ifndef ICONV_CONST
+# define ICONV_CONST
+#endif
+
 #ifdef HAVE_LIBICONV
 
 struct langtab