Fix linking of aarch64 static binaries.

Change-Id: If1fa8b560074058b8f7ef32db21a7ca3c53d1fd7
diff --git a/libc/arch-aarch64/aarch64.mk b/libc/arch-aarch64/aarch64.mk
index 847db98..643cf69 100644
--- a/libc/arch-aarch64/aarch64.mk
+++ b/libc/arch-aarch64/aarch64.mk
@@ -12,3 +12,8 @@
     arch-aarch64/bionic/sigsetjmp.S \
     arch-aarch64/bionic/syscall.S \
     arch-aarch64/bionic/vfork.S \
+
+_LIBC_ARCH_STATIC_SRC_FILES := \
+    bionic/dl_iterate_phdr_static.c \
+
+_LIBC_ARCH_DYNAMIC_SRC_FILES :=