fix: dont abort when deleting one temp file fails

Global_Indexer/frmStart.vb

@@ -254,14 +254,15 @@ Public Class frmStart
         Catch ex As Exception
             MsgBox("Unexpected Error in Closing Application: " & vbNewLine & ex.Message, MsgBoxStyle.Critical)
         End Try
+
         'TempDateien löschen
-        Try
-            For Each _file In TEMP_FILES
-                System.IO.File.Delete(_file)
-            Next
-        Catch ex As Exception
-            LOGGER.Error(ex)
-        End Try
+        For Each oFile In TEMP_FILES
+            Try
+                System.IO.File.Delete(oFile)
+            Catch ex As Exception
+                LOGGER.Error(ex)
+            End Try
+        Next
 
         Try
             IndexForm.DisposeViewer()