* Removed all dependency on strverscmp

* Added libgen.h for baseline()

apps/backend/backend_plugin.c

@@ -39,7 +39,6 @@
 #endif
 
 #include <stdio.h>
-#define __USE_GNU /* strverscmp */
 #include <string.h>
 #include <stdlib.h>
 #include <stdarg.h>

apps/backend/backend_socket.c

@@ -55,7 +55,7 @@
 #include <sys/types.h>
 #include <sys/ucred.h>
 #endif
-#define __USE_GNU
+#define __USE_GNU   /* for ucred */
 #define _GNU_SOURCE /* for ucred */
 #include <sys/socket.h>
 #include <sys/param.h>