Prepare for removal of non-const operator[] from Sequence in linguistic

Change-Id: I6eda1416ca0421a48bf9811343850aa504019d57
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/124374
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

linguistic/source/defs.hxx

@@ -45,8 +45,7 @@ struct LangSvcEntries
     explicit LangSvcEntries( const OUString &rSvcImplName ) :
         nLastTriedSvcIndex(-1)
     {
-        aSvcImplNames.realloc(1);
-        aSvcImplNames[0] = rSvcImplName;
+        aSvcImplNames = { rSvcImplName };
     }
 
     void Clear()

linguistic/source/gciterator.cxx

@@ -1044,8 +1044,7 @@ uno::Reference< util::XChangesBatch > const & GrammarCheckingIterator::GetUpdate
             beans::PropertyValue aValue;
             aValue.Name  = "nodepath";
             aValue.Value <<= OUString("org.openoffice.Office.Linguistic/ServiceManager");
-            uno::Sequence< uno::Any > aProps(1);
-            aProps[0] <<= aValue;
+            uno::Sequence< uno::Any > aProps{ uno::Any(aValue) };
             m_xUpdateAccess.set(
                     xConfigurationProvider->createInstanceWithArguments(
                         "com.sun.star.configuration.ConfigurationUpdateAccess", aProps ),