[gtk+] meson: Also check for sincos

[Emmanuele Bassi <ebassi src gnome org>]

commit d2ecd6e3c66885e0389d23b1c67bb03a8953201d
Author: Timm Bäder <mail baedert org>
Date:   Sat Sep 24 08:44:53 2016 +0200

    meson: Also check for sincos

 meson.build |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/meson.build b/meson.build
index 8095393..d2c9021 100644
--- a/meson.build
+++ b/meson.build
@@ -131,6 +131,7 @@ check_functions = [
   ['HAVE_RINT', 'rint', '#include<math.h>'],
   ['HAVE_LOG2', 'log2', '#include<math.h>'],
   ['HAVE_EXP2', 'exp2', '#include<math.h>'],
+  ['HAVE_SINCOS', 'sincos', '#include<math.h>'],
 # check token HAVE_SINCOS
 # check token HAVE_SOCKADDR_UN_SUN_LEN
 # check token HAVE_SOLARIS_XINERAMA