[cogl] egl-gdl: When compiling the GDL platform, you need to link against -lgdl

[Damien Lespiau <dlespiau src gnome org>]

commit 303305173b15a84872191a46fd5ea54063c839ff
Author: Damien Lespiau <damien lespiau intel com>
Date:   Tue Jul 26 17:28:35 2011 +0300

    egl-gdl: When compiling the GDL platform, you need to link against -lgdl
    
    https://bugzilla.gnome.org/show_bug.cgi?id=655355

 configure.ac |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index bfcdeda..5bb4980 100644
--- a/configure.ac
+++ b/configure.ac
@@ -660,6 +660,8 @@ AS_IF([test "x$enable_gdl_egl_platform" == "xyes"],
           ])
         AC_SUBST([COGL_CEX100_LIBGDL_PREFIX])
 
+	COGL_EXTRA_LDFLAGS="$COGL_EXTRA_LDFLAGS -lgdl"
+
         COGL_DEFINES_SYMBOLS="$COGL_DEFINES_SYMBOLS COGL_HAS_EGL_PLATFORM_GDL_SUPPORT"
       ])
 AM_CONDITIONAL(SUPPORT_EGL_PLATFORM_GDL,