===================================================================
RCS file: /cvs/djgpp/djgpp/src/makemake.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -p -u -r1.1 -r1.2
--- djgpp/src/makemake.c	1998/01/01 18:15:34	1.1
+++ /cvs/djgpp/djgpp/src/makemake.c	2015/05/11 07:36:59	1.2
@@ -87,7 +87,7 @@ find(void)
   }
   *path_end = '/';
   subs = (char **)malloc(msubs*sizeof(char *));
-  while (de = readdir(d)) {
+  while ((de = readdir(d)) != NULL) {
 
     /* Skip . and .. */
     if (de->d_name[0] == '.')