Fix typos

Change-Id: I9671ad7c9e75b9e10abf46bc6b53fcd760acecbf
Reviewed-on: https://gerrit.libreoffice.org/57599
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>
Reviewed-by: Christian Lohmaier <lohmaier+LibreOffice@googlemail.com>

dbaccess/source/core/api/RowSetBase.hxx

@@ -74,7 +74,7 @@ namespace dbaccess
     protected:
         typedef std::vector<ORowSetDataColumn*>   TDataColumns;
         ::osl::Mutex*                           m_pMutex;           // this the mutex form the rowset itself
-        ::osl::Mutex                            // we need a extra mutex for columns to prevend deadlock when setting new values
+        ::osl::Mutex                            // we need a extra mutex for columns to prevent deadlock when setting new values
                                                 // for a row
                                                 m_aColumnsMutex;
 

desktop/source/deployment/registry/help/dp_helpbackenddb.hxx

@@ -65,7 +65,7 @@ public:
     void addEntry(OUString const & url, Data const & data);
 
     ::boost::optional<Data> getEntry(OUString const & url);
-    //must also return the data urls for entries with @activ="false". That is,
+    //must also return the data urls for entries with @active="false". That is,
     //those are currently revoked.
     std::vector< OUString> getAllDataUrls();