configure: Fix a syntax error.

diff --git a/configure.in b/configure.in
index 1dcae70..04ba0f8 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -763,8 +763,6 @@ AC_ARG_WITH(libpthread, [AS_HELP_STRING([--with-libpthread=@<:@=PREFIX@:>@], [Pa
                then
                        with_libpthread="no (disabled)"
                fi
-       else
-               with_libpthread="$withval"
        fi
 ], [with_libpthread="yes"])
 if test "x$with_libpthread" = "xyes"