Remove the chdir, so we can test things like empty directories

test/stdlib/qsort.c

@@ -19,7 +19,6 @@ int main(void)
 
     int i, numdir;        
 
-    chdir("/");
     numdir = scandir(".", &array, select_files, NULL);
     printf("\nGot %d entries from scandir().\n", numdir);              
     for (i = 0; i < numdir; ++i) {