[pango/misc-speedups: 7/8] Slightly speed up line breaking

[Matthias Clasen <matthiasc src gnome org>]

commit 549af5c6baec4f2eec399fa48f645d5eeb2b9a9a
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Mar 29 00:11:10 2021 -0400

    Slightly speed up line breaking
    
    Make a bit more use of our types.

 pango/break.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/pango/break.c b/pango/break.c
index fadf01d0..6b8e5c01 100644
--- a/pango/break.c
+++ b/pango/break.c
@@ -362,12 +362,15 @@ pango_default_break (const gchar   *text,
         case G_UNICODE_PARAGRAPH_SEPARATOR:
           attrs[i].is_white = TRUE;
           break;
-        default:
+        case G_UNICODE_CONTROL:
           if (wc == '\t' || wc == '\n' || wc == '\r' || wc == '\f')
             attrs[i].is_white = TRUE;
           else
             attrs[i].is_white = FALSE;
           break;
+        default:
+          attrs[i].is_white = FALSE;
+          break;
         }
 
       /* Just few spaces have variable width. So explicitly mark them.