Fix early sorting bug that meant the file deduping was causing an error, to, well, not cause it, so we can get to an error screen.

Signed-off-by: cpw <cpw+github@weeksfamily.ca>

src/fmllauncher/java/net/minecraftforge/fml/loading/ModSorter.java

@@ -74,6 +74,11 @@ public class ModSorter
         } catch (EarlyLoadingException ele) {
             earlyLoadingException = ele;
             ms.sortedList = Collections.emptyList();
+            try {
+                ms.buildUniqueList();
+            } catch (EarlyLoadingException ele2) {
+                //IGNORE
+            }
         }
         return LoadingModList.of(ms.modFiles, ms.sortedList, earlyLoadingException);
     }