configure.ac: loosen FREAD_READS_DIRECTORIES test program

diff --git a/configure.ac b/configure.ac
index 128165529fd70ac889ed0fb5098e4290893b593d..ceeb9de57566000c9199887d9207b0be3c416e78 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -865,9 +865,9 @@ AC_CACHE_CHECK([whether system succeeds to read fopen'ed directory],
 [
 AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
-               [[char c;
+               [[
                FILE *f = fopen(".", "r");
-               return f && fread(&c, 1, 1, f)]])],
+               return f)]])],
        [ac_cv_fread_reads_directories=no],
        [ac_cv_fread_reads_directories=yes])
 ])