meson: Don't set c_std to gnu99

Use the default for each compiler on every platform instead. This
improves our compatibility with compilers that don't have gnu99 as
a c_std.

diff --git a/meson.build b/meson.build
index aad97a8..a0eaf08 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,6 @@ project('gst-plugins-base', 'c', 'cpp',
   version : '1.9.90',
   meson_version : '>= 0.35.0',
   default_options : [ 'warning_level=1',
-                      'c_std=gnu99',
                       'buildtype=debugoptimized' ])
 
 gst_version = meson.project_version()