openrc-shutdown: remove rc- prefix from file names

src/openrc-shutdown/meson.build

@@ -1,6 +1,6 @@
 if os == 'Linux'
   executable('openrc-shutdown',
-    ['openrc-shutdown.c', 'broadcast.c', 'rc-sysvinit.c', misc_c,
+    ['openrc-shutdown.c', 'broadcast.c', 'sysvinit.c', misc_c,
 		usage_c, wtmp_c, version_h],
     c_args : cc_branding_flags,
     include_directories: [incdir, einfo_incdir, rc_incdir],

src/openrc-shutdown/openrc-shutdown.c

@@ -35,7 +35,7 @@
 #include "rc.h"
 #include "helpers.h"
 #include "misc.h"
-#include "rc-sysvinit.h"
+#include "sysvinit.h"
 #include "wtmp.h"
 #include "_usage.h"
 

src/openrc-shutdown/sysvinit.c

@@ -1,5 +1,5 @@
 /*
- * rc-sysvinit.c
+ * sysvinit.c
  * Helper to send a runlevel change to sysvinit
  */
 
@@ -24,7 +24,7 @@
 #include <sys/types.h>
 
 #include "einfo.h"
-#include "rc-sysvinit.h"
+#include "sysvinit.h"
 
 static void sysvinit_send_cmd(struct init_request *request)
 {

src/openrc-shutdown/sysvinit.h

@@ -1,5 +1,5 @@
 /*
- * rc-sysvinit.h	- Interface to communicate with sysvinit via /run/initctl.
+ * sysvinit.h	- Interface to communicate with sysvinit via /run/initctl.
  */
 
 /*