autoSyndrome: stop spam, and disable by default

NEWS

@@ -4,6 +4,7 @@ DFHack future
     - masspit: designate caged creatures in a zone for pitting
   Misc improvements:
     - exterminate: renamed from slayrace, add help message
+    - autoSyndrome: disable by default
 
 DFHack v0.34.11-r3
 

plugins/autoSyndrome.cpp

@@ -98,7 +98,7 @@ reaction_duck
 Next, start a new fort in a new world, build a duck workshop, then have someone become a duck.
 */
 
-bool enabled = true;
+bool enabled = false;
 
 DFHACK_PLUGIN("autoSyndrome");
 
@@ -279,6 +279,9 @@ void processJob(color_ostream& out, void* jobPtr) {
         }
     }
 
+    if ( workerId == -1 )
+        return;
+
     int32_t workerIndex = df::unit::binsearch_index(df::global::world->units.all, workerId);
     if ( workerIndex < 0 ) {
         out.print("%s line %d: Couldn't find unit %d.\n", __FILE__, __LINE__, workerId);