don't #ifdef HAVE_GSSAPI_GSSAPI_KRB5_H - it randomly causes missing gsskrb5_register_acceptor_identity symbol on s390x

cyrus-sasl-2.1.26-keytab.patch

@@ -25,13 +25,11 @@ diff --git a/plugins/gssapi.c b/plugins/gssapi.c
 index 6be9d23..e6fcf46 100644
 --- a/plugins/gssapi.c
 +++ b/plugins/gssapi.c
-@@ -51,6 +51,10 @@
+@@ -51,6 +51,8 @@
  #include <gssapi/gssapi.h>
  #endif
  
-+#ifdef HAVE_GSSAPI_GSSAPI_KRB5_H
 +#include <gssapi/gssapi_krb5.h>
-+#endif
 +
  #ifdef WIN32
  #  include <winsock2.h>