Avoid wiping full error context on release

src/error.c

@@ -380,10 +380,10 @@ akerr_ErrorContext *akerr_next_error()
 }
 
 /*
- * The wipe returns the slot to the pool, so it and the decrement that triggers
+ * The reset returns the slot to the pool, so it and the decrement that triggers
  * it are one operation under the lock. Otherwise a thread that saw the count
  * reach zero could be handed the slot by akerr_next_error() and start writing
- * its error into it while the releasing thread was still memsetting it.
+ * its error into it while the releasing thread was still resetting it.
  */
 akerr_ErrorContext *akerr_release_error(akerr_ErrorContext *err)
 {
@@ -401,7 +401,13 @@ akerr_ErrorContext *akerr_release_error(akerr_ErrorContext *err)
     }
     if ( err->refcount == 0 ) {
 	oldid = err->arrayid;
-	memset(err, 0x00, sizeof(akerr_ErrorContext));
+	err->handled = false;
+	err->status = 0;
+	err->reported = false;
+	err->message[0] = '\0';
+	err->fname[0] = '\0';
+	err->function[0] = '\0';
+	err->stacktracebuf[0] = '\0';
 	err->stacktracebufptr = (char *)&err->stacktracebuf;
 	err->arrayid = oldid;
 	remaining = NULL;