fix spelling: garded -> guarded

Change-Id: I3e9f8781957a8b96afeb609501dff1f8bc9d718e

desktop/source/deployment/manager/dp_extensionmanager.cxx

@@ -690,12 +690,12 @@ Reference<css::deployment::XPackage> ExtensionManager::addExtension(
 
     {
         bool bUserDisabled = false;
-        // In this garded section (getMutex) we must not use the argument xCmdEnv
+        // In this guarded section (getMutex) we must not use the argument xCmdEnv
         // because it may bring up dialogs (XInteractionHandler::handle) this
-        //may potententially deadlock. See issue
-        //http://qa.openoffice.org/issues/show_bug.cgi?id=114933
-        //By not providing xCmdEnv the underlying APIs will throw an exception if
-        //the XInteractionRequest cannot be handled
+        // may potententially deadlock. See issue
+        // http://qa.openoffice.org/issues/show_bug.cgi?id=114933
+        // By not providing xCmdEnv the underlying APIs will throw an exception if
+        // the XInteractionRequest cannot be handled.
         ::osl::MutexGuard guard(getMutex());
 
         if (bCanInstall)
@@ -807,7 +807,7 @@ Reference<css::deployment::XPackage> ExtensionManager::addExtension(
             }
             ::cppu::throwException(excOccurred2);
         }
-    } // leaving the garded section (getMutex())
+    } // leaving the guarded section (getMutex())
 
     try
     {