Support a confirm flag for ssh.

This implements the suggestion from bug#1349.  With this change the
fingerprint of the ssh key is also displayed in the pinentry prompts.

common/Makefile.am

@@ -123,21 +123,8 @@ endif
 #
 # Module tests
 #
-<<<<<<< HEAD
 module_tests = t-convert t-percent t-gettime t-sysutils t-sexputil t-exechelp \
-	       t-session-env
-=======
-t_jnlib_src = t-support.c t-support.h
-jnlib_tests = t-stringhelp t-timestuff
-if HAVE_W32_SYSTEM
-jnlib_tests += t-w32-reg
-endif
-module_tests = t-convert t-percent t-gettime t-sysutils t-sexputil \
-	       t-session-env t-openpgp-oid t-ssh-utils
-if !HAVE_W32CE_SYSTEM
-module_tests += t-exechelp
-endif
->>>>>>> New functions to compute an ssh style fingerprint.
+	       t-session-env t-ssh-utils
 module_maint_tests = t-helpfile t-b64
 
 t_common_ldadd = libcommon.a ../jnlib/libjnlib.a ../gl/libgnu.a \
@@ -152,9 +139,4 @@ t_sexputil_LDADD = $(t_common_ldadd)
 t_b64_LDADD = $(t_common_ldadd)
 t_exechelp_LDADD = $(t_common_ldadd)
 t_session_env_LDADD = $(t_common_ldadd)
-<<<<<<< HEAD
-
-=======
-t_openpgp_oid_LDADD = $(t_common_ldadd)
 t_ssh_utils_LDADD = $(t_common_ldadd)
->>>>>>> New functions to compute an ssh style fingerprint.

common/t-ssh-utils.c

@@ -27,13 +27,6 @@
 #include "util.h"
 #include "ssh-utils.h"
 
-#define pass()  do { ; } while(0)
-#define fail(a,e)                                                       \
-  do { fprintf (stderr, "%s:%d: test %d failed (%s)\n",                 \
-                __FILE__,__LINE__, (a), gpg_strerror (e));              \
-    exit (1);                                                           \
-  } while(0)
-
 
 static struct { const char *key; const char *fpr; } sample_keys[] = {
   { "(protected-private-key "