git-gui: fix spelling error in sshkey.tcl

Spelling error originally reported to Ubuntu as launchpad bug #879427.

Acked-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Dejan Ribič <dejan.ribic@gmail.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
diff --git a/lib/sshkey.tcl b/lib/sshkey.tcl
index 5f75bc9..aa6457b 100644
--- a/lib/sshkey.tcl
+++ b/lib/sshkey.tcl
@@ -117,7 +117,7 @@
 	} else {
 		set finfo [find_ssh_key]
 		if {$finfo eq {}} {
-			set sshkey_title [mc "Generation succeded, but no keys found."]
+			set sshkey_title [mc "Generation succeeded, but no keys found."]
 			$w.contents insert end $sshkey_output
 		} else {
 			set sshkey_title [mc "Your key is in: %s" [lindex $finfo 0]]