[libdmapsharing] Rename guard in dmap-config.h.in

[W. Michael Petullo <wmpetullo src gnome org>]

commit 6da2b25e395f482cb456258ddff8dc6da5c1e854
Author: W. Michael Petullo <mike flyn org>
Date:   Sat Jul 21 10:31:40 2018 -0400

    Rename guard in dmap-config.h.in
    
    Signed-off-by: W. Michael Petullo <mike flyn org>

 libdmapsharing/dmap-config.h.in | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/libdmapsharing/dmap-config.h.in b/libdmapsharing/dmap-config.h.in
index 153fe1c..2258661 100644
--- a/libdmapsharing/dmap-config.h.in
+++ b/libdmapsharing/dmap-config.h.in
@@ -17,8 +17,8 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA*
  */
 
-#ifndef __DMAP_CONFIG_H__
-#define __DMAP_CONFIG_H__
+#ifndef _DMAP_CONFIG_H
+#define _DMAP_CONFIG_H
 
 /* whether or not the CPU supports unaligned access */
 @DMAP_HAVE_UNALIGNED_ACCESS_DEFINE@