--- testdir2/glm4/vsnprintf.m4	Sat Apr 19 19:05:10 2008
+++ testdir2.mod/glm4/vsnprintf.m4	Mon Apr 21 13:35:19 2008
@@ -17,7 +17,7 @@
         ;;
     esac
   fi
-  if test $gl_cv_func_snprintf_usable = no; then
+  if test $gl_cv_func_vsnprintf_usable = no; then
     gl_REPLACE_VSNPRINTF
   fi
   AC_CHECK_DECLS_ONCE([vsnprintf])