conf: Add hostname alias to host

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

doc/config.md

@@ -84,6 +84,10 @@ restart/reload.*
 Syntax
 ------
 
+* `host <NAME>`, or `hostname <NAME>`  
+  Set system hostname to NAME, unless `/etc/hostname` exists in which
+  case the contents of that file is used.
+
 * `module <MODULE> [ARGS]`  
   Load a kernel module, with optional arguments
 

src/conf.c

@@ -333,7 +333,7 @@ static void parse_static(char *line)
 	char *x;
 	char cmd[CMD_SIZE];
 
-	if (BOOTSTRAP && MATCH_CMD(line, "host ", x)) {
+	if (BOOTSTRAP && (MATCH_CMD(line, "host ", x) || MATCH_CMD(line, "hostname ", x))) {
 		if (hostname) free(hostname);
 		hostname = strdup(strip_line(x));
 		return;