Update ExtraInfoDescriptorImpl.java

src/main/java/org/torproject/descriptor/impl/ExtraInfoDescriptorImpl.java

@@ -1038,10 +1038,10 @@ public abstract class ExtraInfoDescriptorImpl extends DescriptorImpl
     return this.geoip6DbDigest;
   }
 
-  private int overloadRatelimitsVersion = -1;
+  private int overloadRatelimitsVersion = 0;
 
   @Override
-  public long getOverloadRatelimitsVersion() {
+  public int getOverloadRatelimitsVersion() {
     return this.overloadRatelimitsVersion;
   }
 
@@ -1080,10 +1080,10 @@ public abstract class ExtraInfoDescriptorImpl extends DescriptorImpl
     return this.overloadRatelimitsWriteCount;
   }
 
-  private int overloadFdExhaustedVersion = -1;
+  private int overloadFdExhaustedVersion = 0;
 
   @Override
-  public long getOverloadFdExhaustedVersion() {
+  public int getOverloadFdExhaustedVersion() {
     return this.overloadFdExhaustedVersion;
   }