0.3.0: converge relibc to upstream 0.6.0 + Red Bear patches

tests/args.c

@@ -4,7 +4,7 @@
 #include "test_helpers.h"
 
 int main(int argc, char *argv[]) {
-    for(int i = 0; i < argc; i++) {
+    for(int i = 1; i < argc; i++) {
         write(STDOUT_FILENO, argv[i], strlen(argv[i]));
         write(STDOUT_FILENO, " ", 1);
     }