unicode: update unicode_width on !unicode branch too. Closes bug 2593

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/unicode.c b/libbb/unicode.c
index 70c6abe..cf0c6be 100644
--- a/libbb/unicode.c
+++ b/libbb/unicode.c
@@ -1005,8 +1005,11 @@
 				d++;
 			}
 		}
-		if (stats)
-			stats->byte_count = stats->unicode_count = (d - dst);
+		if (stats) {
+			stats->byte_count = (d - dst);
+			stats->unicode_count = (d - dst);
+			stats->unicode_width = (d - dst);
+		}
 		return dst;
 	}