[cheese] Remove use of GSEAL_ENABLE

[David King <davidk src gnome org>]

commit 189624b2c9c131ac6dfbec0f3619f2128553ff7d
Author: David King <amigadave amigadave com>
Date:   Thu Jan 29 09:29:41 2015 +0000

    Remove use of GSEAL_ENABLE
    
    It is no longer useful with GTK+ 3, where every widget has been sealed.

 configure.ac |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 148abfc..8f702f0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,7 +30,7 @@ LT_LIB_M
 
 PKG_PROG_PKG_CONFIG([0.24])
 
-AC_SUBST([CHEESE_WFLAGS], ["-Wall -DGSEAL_ENABLE"])
+AC_SUBST([CHEESE_WFLAGS], ["-Wall"])
 
 GNOME_COMPILE_WARNINGS([maximum])