Make the default system control socket /[/var]/run/dinitctl

Use /run/dinitctl for linux as that's become standard and somewhat makes
sense.

Use /var/run for other systems which don't normally have a /run.

configs/mconfig.Darwin

@@ -2,7 +2,7 @@
 
 SBINDIR=/sbin
 MANDIR=/usr/share/man
-SYSCONTROLSOCKET=/dev/dinitctl
+SYSCONTROLSOCKET=/var/run/dinitctl
 
 
 # General build options.

configs/mconfig.FreeBSD

@@ -2,7 +2,7 @@
 
 SBINDIR=/sbin
 MANDIR=/usr/share/man
-SYSCONTROLSOCKET=/dev/dinitctl
+SYSCONTROLSOCKET=/var/run/dinitctl
 
 
 # General build options.

configs/mconfig.Linux

@@ -7,7 +7,7 @@
 
 SBINDIR=/sbin
 MANDIR=/usr/share/man
-SYSCONTROLSOCKET=/dev/dinitctl
+SYSCONTROLSOCKET=/run/dinitctl
 
 
 # General build options.

configs/mconfig.Linux.sh

@@ -7,7 +7,7 @@ INST_PATH_OPTS=$(
   echo "";
   echo "SBINDIR=/sbin";
   echo "MANDIR=/usr/share/man";
-  echo "SYSCONTROLSOCKET=/dev/dinitctl"
+  echo "SYSCONTROLSOCKET=/run/dinitctl"
 )
 
 test_compiler_arg() {

configs/mconfig.OpenBSD

@@ -2,7 +2,7 @@
 
 SBINDIR=/sbin
 MANDIR=/usr/share/man
-SYSCONTROLSOCKET=/dev/dinitctl
+SYSCONTROLSOCKET=/var/run/dinitctl
 
 
 # General build options. Uncomment the options appropriate for your system.