better memory management

vvm/src/main.c

@@ -13,5 +13,6 @@ int main(int argc, char** argv){
         die(127, "Please specify exactly one file to execute.");
     prog = vm_parse(argv[1]);
     vm_execute(prog.code, prog.entrypoint, 0, prog.length);
+    free(prog.code);
     return 0;
 }

vvm/src/vm.c

@@ -237,6 +237,8 @@ program vm_parse(char *filename){
     prog.entrypoint = entry;
     prog.code = code;
 
+    free(command);
+
     return prog;
 }