Fix build when shared libraries are disabled

On some platforms, shared libraries are not used. The stub code
need some updating to not generate errors.

genl/static-syms.c

+/*
+ * This file creates a dummy version of dynamic loading
+ * for environments where dynamic linking
+ * is not used or available.
+ */
+
 #include <string.h>
+#include "dlfcn.h"
+
 void *_dlsym(const char *sym)
 {
 #include "static-syms.h"

include/dlfcn.h

@@ -8,6 +8,7 @@
 #else
 
 #define RTLD_LAZY 0
+#define RTLD_GLOBAL 1
 #define _FAKE_DLFCN_HDL (void *)0xbeefcafe
 
 static inline void *dlopen(const char *file, int flag)

ip/static-syms.c

+/*
+ * This file creates a dummy version of dynamic loading
+ * for environments where dynamic linking
+ * is not used or available.
+ */
+
 #include <string.h>
+#include "dlfcn.h"
+
 void *_dlsym(const char *sym)
 {
 #include "static-syms.h"

tc/static-syms.c

+/*
+ * This file creates a dummy version of dynamic loading
+ * for environments where dynamic linking
+ * is not used or available.
+ */
+
 #include <string.h>
+#include "dlfcn.h"
+
 void *_dlsym(const char *sym)
 {
 #include "static-syms.h"