[glib] config.h.meson: Add some missing #mesondefines

[Nirbheek Chauhan <nirbheekc src gnome org>]

commit 91c9cb5a521fe0b61b6ee9ffaa289cee1752c068
Author: Nirbheek Chauhan <nirbheek centricular com>
Date:   Mon May 7 15:07:47 2018 +0530

    config.h.meson: Add some missing #mesondefines
    
    The compiler checks were being completely ignored.

 config.h.meson | 9 +++++++++
 1 file changed, 9 insertions(+)
---
diff --git a/config.h.meson b/config.h.meson
index 80402c87d..fd0bfcaf9 100644
--- a/config.h.meson
+++ b/config.h.meson
@@ -226,6 +226,12 @@
 /* Define to 1 if you have the `kqueue' function. */
 #mesondefine HAVE_KQUEUE
 
+/* Check for nl_langinfo and abbreviated alternative month names */
+#mesondefine HAVE_LANGINFO_ABALTMON
+
+/* Check for nl_langinfo and alternative month names */
+#mesondefine HAVE_LANGINFO_ALTMON
+
 /* Define if you have <langinfo.h> and nl_langinfo(CODESET). */
 #mesondefine HAVE_LANGINFO_CODESET
 
@@ -632,6 +638,9 @@
 /* Define if you have the 'wchar_t' type. */
 #mesondefine HAVE_WCHAR_T
 
+/* Define if you Have wcrtomb() */
+#mesondefine HAVE_WCRTOMB
+
 /* Define to 1 if you have the `wcslen' function. */
 #mesondefine HAVE_WCSLEN