loplugin:stringadd in various

when applying my upcoming patch to also consider O[U]StringBuffer

Change-Id: I8cf6a47ad357ddc73e2c430d966be72d5efd1485
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/149767
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 6 insertions, 7 deletions

diff --git a/idl/source/prj/database.cxx b/idl/source/prj/database.cxx
index 9aba715edaf4..229696b021ec 100644
--- a/idl/source/prj/database.cxx
+++ b/idl/source/prj/database.cxx
@@ -417,8 +417,7 @@ void SvIdlDataBase::WriteError( SvTokenStream & rInStm )
         // error text
         if( !aError.GetText().isEmpty() )
         {
-            aErrorText.append("may be <");
-            aErrorText.append(aError.GetText());
+            aErrorText.append("may be <" + aError.GetText());
         }
         SvToken * pPrevTok = nullptr;
         while( &rTok != pPrevTok )
@@ -431,11 +430,11 @@ void SvIdlDataBase::WriteError( SvTokenStream & rInStm )
         }
 
         // error position
-        aErrorText.append("> at ( ");
-        aErrorText.append(static_cast<sal_Int64>(aError.nLine));
-        aErrorText.append(", ");
-        aErrorText.append(static_cast<sal_Int64>(aError.nColumn));
-        aErrorText.append(" )");
+        aErrorText.append("> at ( "
+            + OString::number(static_cast<sal_Int64>(aError.nLine))
+            + ", "
+            + OString::number(static_cast<sal_Int64>(aError.nColumn))
+            + " )");
 
         // reset error
         aError = SvIdlError();