i18n: fix some badly formatted i18n strings

String in submodule--helper is not correctly formatting
placeholders. The string in git-send-email is partial.

Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

builtin/submodule--helper.c

@@ -3082,7 +3082,7 @@ static int module_create_branch(int argc, const char **argv, const char *prefix)
 		OPT_END()
 	};
 	const char *const usage[] = {
-		N_("git submodule--helper create-branch [-f|--force] [--create-reflog] [-q|--quiet] [-t|--track] [-n|--dry-run] <name> <start_oid> <start_name>"),
+		N_("git submodule--helper create-branch [-f|--force] [--create-reflog] [-q|--quiet] [-t|--track] [-n|--dry-run] <name> <start-oid> <start-name>"),
 		NULL
 	};
 

git-send-email.perl

@@ -2096,10 +2096,9 @@ sub validate_patch {
 			chdir($cwd_save) or die("chdir: $!");
 		}
 		if ($hook_error) {
-			$hook_error = sprintf(__("fatal: %s: rejected by %s hook\n" .
-						 $hook_error . "\n" .
-						 "warning: no patches were sent\n"),
-					      $fn, $hook_name);
+			$hook_error = sprintf(
+			    __("fatal: %s: rejected by %s hook\n%s\nwarning: no patches were sent\n"),
+			    $fn, $hook_name, $hook_error);
 			die $hook_error;
 		}
 	}