attempt to regularize atoi mess.
diff --git a/miscutils/dc.c b/miscutils/dc.c
index 95cf0d0..8e7a249 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -171,7 +171,7 @@
 		}
 		o++;
 	}
-	bb_error_msg_and_die("%s: syntax error.", argument);
+	bb_error_msg_and_die("%s: syntax error", argument);
 }
 
 /* return pointer to next token in buffer and set *buffer to one char