Fix variable name in configure.ac.

$ac_cv_search_STRINGPREP_CHECK_VERSION should be
$ac_cv_search_stringprep_check_version, to match the first parameter of
the AC_SEARCH_LIBS([stringprep_check_version] above.

Running configure was giving a "test: =: unary operator expected" error.

diff --git a/configure.ac b/configure.ac
index 1b6e01072ea5426ef4760e350d8846c801215d96..0f0c4a684b1277203627ad848eb22fd299ea1587 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1182,7 +1182,7 @@ if test "x$with_idn" != "xno"; then
     ])
 
     if test "$with_idn" != auto; then
-      if test $have_stringprep_h = no || test $have_idna_h = no || test $ac_cv_search_STRINGPREP_CHECK_VERSION = no; then
+      if test $have_stringprep_h = no || test $have_idna_h = no || test $ac_cv_search_stringprep_check_version = no; then
        AC_MSG_ERROR([IDN was requested, but libidn was not usable on this system])
       fi
     fi