main: Ensure existence of the storage dir at startup

Previously, the storage dir has only been created after a successful
network connection, causing removal of Known Network interface from
Dbus and failure to register dir watcher until daemon is restarted.

src/main.c

@@ -45,6 +45,7 @@
 #include "src/simauth.h"
 #include "src/adhoc.h"
 #include "src/blacklist.h"
+#include "src/storage.h"
 
 #include "src/backtrace.h"
 
@@ -470,6 +471,11 @@ int main(int argc, char *argv[])
 
 	exit_status = EXIT_FAILURE;
 
+	if (create_dirs(DAEMON_STORAGEDIR "/")) {
+		l_error("Failed to create " DAEMON_STORAGEDIR "/");
+		goto fail_dbus;
+	}
+
 	dbus = l_dbus_new_default(L_DBUS_SYSTEM_BUS);
 	if (!dbus) {
 		l_error("Failed to initialize D-Bus");