loplugin:stringconstant: Flag more inefficiencies

Change-Id: I5bd4f30d7b614af34b5ca2edca06bab9350ca206

ucb/source/ucp/hierarchy/hierarchyuri.cxx

@@ -123,9 +123,7 @@ void HierarchyUri::init() const
                 }
 
                 // Empty path segments?
-                if ( m_aUri.indexOf(
-                        OUString("//"),
-                        nStart ) != -1 )
+                if ( m_aUri.indexOf("//", nStart) != -1 )
                 {
                     // error, but remember that we did a init().
                     m_aPath = "/";

ucb/source/ucp/webdav-neon/NeonSession.cxx

@@ -720,8 +720,7 @@ void NeonSession::Init()
         // Register the session with the lock store
         m_aNeonLockStore.registerSession( m_pHttpSession );
 
-        if ( m_aScheme.equalsIgnoreAsciiCase(
-            OUString(  "https"  ) ) )
+        if ( m_aScheme.equalsIgnoreAsciiCase("https") )
         {
             // Set a failure callback for certificate check
             ne_ssl_set_verify(

ucb/source/ucp/webdav-neon/UCBDeadPropertyValue.cxx

@@ -376,8 +376,7 @@ bool UCBDeadPropertyValue::createFromXML( const OString & rInData,
                 }
                 else if ( aCtx.pType->equalsIgnoreAsciiCase( aTypeBoolean ) )
                 {
-                    if ( aStringValue.equalsIgnoreAsciiCase(
-                            OUString("true") ) )
+                    if ( aStringValue.equalsIgnoreAsciiCase("true") )
                         rOutData <<= true;
                     else
                         rOutData <<= false;