Fix infinite loop in RegionFile IO

If an exception is thrown during decompress then the read process
would be started again, which of course would eventually throw in
the decompress process.

src/main/java/ca/spottedleaf/moonrise/patches/chunk_system/io/MoonriseRegionFileIO.java

@@ -1143,7 +1143,7 @@ public final class MoonriseRegionFileIO {
                 LOGGER.error("Failed to decompress chunk data for task: " + this.toString(), thr);
             }
 
-            if (compoundTag == null) {
+            if (throwable == null && compoundTag == null) {
                 // need to re-try from the start
                 this.scheduleReadIO();
                 return;