[libsoup/wip/tpopela/negotiate] configure: Don't fail if the krb5-config is not found and --with-gssapi not explicitly set

[Tomas Popela <tpopela src gnome org>]

commit 3560941604a7b51d5a53eeff0c3043739ee53643
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Feb 23 16:59:19 2016 +0100

    configure: Don't fail if the krb5-config is not found and --with-gssapi not explicitly set

 configure.ac |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 2425336..13a5880 100644
--- a/configure.ac
+++ b/configure.ac
@@ -326,8 +326,7 @@ dnl *** GSSAPI support ***
 dnl **********************
 AC_ARG_WITH(gssapi,
            AS_HELP_STRING([--with-gssapi],
-           [Build with GSSAPI support [default=auto]]),
-           [if test $os_win32 = yes; then gssapi="no"; else gssapi="yes"; fi])
+           [Build with GSSAPI support [default=auto]]))
 
 if test "$with_gssapi" != "no"; then
     AC_ARG_WITH(krb5-config,
@@ -344,7 +343,9 @@ if test "$with_gssapi" != "no"; then
            AC_DEFINE(LIBSOUP_HAVE_GSSAPI, 1, [Whether or not GSSAPI libs are available])
        fi
     else
-       AC_MSG_ERROR([GSSAPI support requested but failed to found krb5-config. Try to set KRB5_CONFIG.])
+       if test "$with_gssapi" == "yes"; then
+           AC_MSG_ERROR([GSSAPI support requested but failed to found krb5-config. Try to set KRB5_CONFIG.])
+       fi
     fi
 fi