meson: Use the check_header function

Instead of open coding it. This was new in 0.47

Acked-by: Matt Turner <mattst88@gmail.com>
Reviewed-by: Eric Engestrom <eric@engestrom.ch>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4740>
diff --git a/meson.build b/meson.build
index 35cc4f3..bebb900 100644
--- a/meson.build
+++ b/meson.build
@@ -1155,7 +1155,7 @@
 endif
 
 foreach h : ['xlocale.h', 'sys/sysctl.h', 'linux/futex.h', 'endian.h', 'dlfcn.h', 'execinfo.h', 'sys/shm.h', 'cet.h']
-  if cc.compiles('#include <@0@>'.format(h), name : '@0@'.format(h))
+  if cc.check_header(h)
     pre_args += '-DHAVE_@0@'.format(h.to_upper().underscorify())
   endif
 endforeach