-Werror=catch-value=

Change-Id: I58563735e6cf5004b4ac5e846885414f0c603f4c
Reviewed-on: https://gerrit.libreoffice.org/61491
Tested-by: Jenkins
Reviewed-by: Julien Nabet <serval2412@yahoo.fr>

o3tl/qa/test-lru_map.cxx

@@ -261,7 +261,7 @@ void lru_map_test::testRemoveIf()
         });
         CPPUNIT_ASSERT(false); // not reached
     }
-    catch (limit_except)
+    catch (limit_except&)
     {
         // contains 7..4
         CPPUNIT_ASSERT_EQUAL(size_t(4), lru.size());

vcl/source/font/fontcache.cxx

@@ -186,7 +186,7 @@ rtl::Reference<LogicalFontInstance> ImplFontCache::GetFontInstance( PhysicalFont
                         return true;
                     });
             }
-            catch (limit_exception) {}
+            catch (limit_exception&) {}
         }
 
         assert(pFontInstance);