4054 dis sometimes decides random symbols are functions

@@ -111,11 +111,11 @@
         const char *last_symbol;
         off_t symoffset;
         int i;
         int bytesperline;
         size_t symsize;
-        int isfunc;
+        int isfunc = 0;
         size_t symwidth = 0;
 
         db.db_tgt = tgt;
         db.db_data = data;
         db.db_addr = addr;