[PATCH] libx11 xkb/XKBMAlloc.c fix check for map->num_types

[walter harms]

fix: check for map->num_types overflow
compiletestested, i have no example to check this condition
but i guess that this was the original author intended


Signed-off-by: Harms <wharms at bfs,de>
---
 src/xkb/XKBMAlloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/xkb/XKBMAlloc.c b/src/xkb/XKBMAlloc.c
index f27fe4e..61bb413 100644
--- a/src/xkb/XKBMAlloc.c
+++ b/src/xkb/XKBMAlloc.c
@@ -302,7 +302,7 @@ XkbAddKeyType(XkbDescPtr xkb,
             }
         }
     }
-    if ((!map) || (!map->types) || (!map->num_types < XkbNumRequiredTypes)) {
+    if ((!map) || (!map->types) || (map->num_types >= XkbNumRequiredTypes)) {
         tmp = XkbNumRequiredTypes + 1;
         if (XkbAllocClientMap(xkb, XkbKeyTypesMask, tmp) != Success)
             return NULL;
-- 
1.8.4.5