[babl] Remove check for linux header on win32

[Félix Piédallu <fpiedallu src gnome org>]

commit e317e558e64c299cf1eeb4650abd783c5a420e6c
Author: Félix Piédallu <felix piedallu me>
Date:   Thu Jan 11 21:26:34 2018 +0100

    Remove check for linux header on win32

 meson.build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/meson.build b/meson.build
index e1c818b..9b44cd1 100644
--- a/meson.build
+++ b/meson.build
@@ -174,7 +174,7 @@ endif
 
 have_dlfcn_h = cc.has_header('dlfcn.h')
 have_dl_h    = cc.has_header('dl.h')
-if not (have_dlfcn_h or have_dl_h)
+if not (have_dlfcn_h or have_dl_h or platform_win32)
   # error('Header dlfcn.h or dl.h not provided. Please provide one of them.')
 endif