[master] fc32d37 Revert "really bail out if no usable readline found"

[Federico G. Schwindt]

commit fc32d379c4721b189ac2ead9b6b0f7319248a63c
Author: Federico G. Schwindt <fgsch at lodoss.net>
Date:   Fri Jul 25 15:44:42 2014 +0100

    Revert "really bail out if no usable readline found"
    
    This reverts commit 78126742 since it broke master.

diff --git a/configure.ac b/configure.ac
index 3c35abd..ced8495 100644
--- a/configure.ac
+++ b/configure.ac
@@ -142,7 +142,7 @@ AC_SUBST(PCRE_LIBS)
 PKG_CHECK_MODULES([LIBEDIT], [libedit], 
 	[AC_DEFINE([HAVE_LIBEDIT], [1], [Define we have libedit])],
 	[AX_LIB_READLINE])
-if test "x$ac_cv_have_readline" != xyes; then
+if test "$ac_cv_have_readline" = no; then
   AC_MSG_ERROR([libedit or readline not found])
 fi