add a memcpy wrapper for use when packaging the linux version so it can run on older distros

linux_release_compat.c

@@ -0,0 +1,12 @@
+#include <string.h>
+
+// Link to the memcpy symbol with version 2.2.5 instead of the newer 2.14 one
+// since they are functionaly equivalent, but using the old one allows 4coder
+// to run on older distros without glibc >= 2.14
+
+extern "C" {
+asm (".symver memcpy, memcpy@GLIBC_2.2.5");
+void *__wrap_memcpy(void *dest, const void *src, size_t n){
+	return memcpy(dest, src, n);
+}
+}