Fix a clang warning.

Since explanatoryDialogText returns something that migth be user input, this
looks like a good change anyhow.

../../breakpad/src/client/mac/sender/crash_report_sender.m:269:38:
error: format string is not a string literal (potentially insecure)
    [-Werror,-Wformat-security]
                                     [self explanatoryDialogText],
                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Patch by Nico Weber <thakis@chromium.org>
Review URL: https://breakpad.appspot.com/607002


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1195 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/mac/sender/crash_report_sender.m

@@ -265,11 +265,13 @@ const int kEmailMaxLength = 64;
     }
   } else {
     // Create an alert panel to tell the user something happened
-    NSPanel* alert = NSGetAlertPanel([self shortDialogMessage],
-                                     [self explanatoryDialogText],
-                                     NSLocalizedString(@"sendReportButton", @""),
-                                     NSLocalizedString(@"cancelButton", @""),
-                                     nil);
+    NSPanel* alert =
+        NSGetAlertPanel([self shortDialogMessage],
+                        @"%@",
+                        NSLocalizedString(@"sendReportButton", @""),
+                        NSLocalizedString(@"cancelButton", @""),
+                        nil,
+                        [self explanatoryDialogText]);
 
     // Pop the alert with an automatic timeout, and wait for the response
     buttonPressed = [self runModalWindow:alert withTimeout:timeout];