Fix undefined reference to dl_iterate_phdr for x86

Change-Id: I22410b27939e8f54da932d7a1104102550c4685f
Signed-off-by: Bruce Beare <brucex.j.beare@intel.com>
diff --git a/libc/Android.mk b/libc/Android.mk
index 8994ebc..7a7d9e3 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -640,6 +640,7 @@
 LOCAL_SHARED_LIBRARIES := libc
 LOCAL_WHOLE_STATIC_LIBRARIES := libc_common
 LOCAL_SYSTEM_SHARED_LIBRARIES :=
+LOCAL_ALLOW_UNDEFINED_SYMBOLS := true
 # Don't prelink
 LOCAL_PRELINK_MODULE := false
 # Don't install on release build