zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/nptl/pthread_setresgid.c b/ap/build/uClibc/libpthread/nptl/pthread_setresgid.c
new file mode 100644
index 0000000..369fae2
--- /dev/null
+++ b/ap/build/uClibc/libpthread/nptl/pthread_setresgid.c
@@ -0,0 +1,3 @@
+#define SINGLE_THREAD
+#define __setresgid pthread_setresgid_np
+#include <setresgid.c>