Specify the auth type when HTTP Basic auth fails. Fixes bug #12184.

docs/changelog/7.x.x.txt

@@ -7,6 +7,7 @@
  - fixed: Date formatting with WebGUI::DateTime has extra spaces for single digit months and days.
  - fixed #12165:  Default date in Thingy doesn't work
  - fixed #12188: Thingy broken after upgrade to 7.9.32-stable
+ - fixed #12184: Apache error in modperl.error.log (William McKee, Knowmad Technologies)
 
 7.10.19
  - fixed #12169: extras uploads symlink export

lib/WebGUI.pm

@@ -143,6 +143,7 @@ sub authen {
 			}
 		}
 		$log->security($username." failed to login using HTTP Basic Authentication");
+		$request->auth_type('Basic');
 		$request->note_basic_auth_failure;
 		return Apache2::Const::HTTP_UNAUTHORIZED;
 	}