Merge branch 'maint'

* maint:
  Start 1.7.5.1 maintenance track
  git-send-email: fix missing space in error message

Conflicts:
	RelNotes

Documentation/RelNotes/1.7.5.1.txt

@@ -0,0 +1,14 @@
+Git v1.7.5.1 Release Notes
+==========================
+
+Fixes since v1.7.5
+------------------
+
+ * The "--date=relative" output format used to say "X years, 12 months"
+   when it should have said "X+1 years".
+
+ * An error message from "git send-email" to diagnose a broken SMTP
+   connection configuration lacked a space between "hello=<smtp-domain>"
+   and "port=<smtp-server-port>".
+
+And other minor fixes and documentation updates.

git-send-email.perl

@@ -1091,7 +1091,7 @@ X-Mailer: git-send-email $gitversion
 			    "VALUES: server=$smtp_server ",
 			    "encryption=$smtp_encryption ",
 			    "hello=$smtp_domain",
-			    defined $smtp_server_port ? "port=$smtp_server_port" : "";
+			    defined $smtp_server_port ? " port=$smtp_server_port" : "";
 		}
 
 		if (defined $smtp_authuser) {