Let Application::Abort always dump core in debug builds

Change-Id: I788601193f77641d613005a93e73cf184cb0daf0
Reviewed-on: https://gerrit.libreoffice.org/50436Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

vcl/source/app/svapp.cxx

@@ -292,6 +292,9 @@ void Application::Abort( const OUString& rErrorText )
             break;
         }
     }
+#if OSL_DEBUG_LEVEL > 0
+    dumpCore = true;
+#endif
 
     SalAbort( rErrorText, dumpCore );
 }