system/core LP64 cleanup.

Fixes -Wint-to-pointer and -Wpointer-to-int warnings, plus various -Wformat
warnings.

Change-Id: I6c5eea6b4273d82d28b8e5d2925f3e5457511b17
diff --git a/libnl_2/Android.mk b/libnl_2/Android.mk
index deac9de..3721fc6 100644
--- a/libnl_2/Android.mk
+++ b/libnl_2/Android.mk
@@ -26,6 +26,7 @@
 # Static Library
 LOCAL_MODULE := libnl_2
 LOCAL_MODULE_TAGS := optional
+LOCAL_32_BIT_ONLY := true
 include $(BUILD_STATIC_LIBRARY)
 
 include $(CLEAR_VARS)
@@ -34,4 +35,5 @@
 LOCAL_SHARED_LIBRARIES:= liblog
 LOCAL_MODULE := libnl_2
 LOCAL_MODULE_TAGS := optional
+LOCAL_32_BIT_ONLY := true
 include $(BUILD_SHARED_LIBRARY)