IPACM: add support for CLANG compile

Add support for CLANG compile

Change-Id: Iced5974844c2ca8d7be7c97e261e4516de3669e6
diff --git a/ipacm/src/Android.mk b/ipacm/src/Android.mk
index c7c879b..32fec4b 100644
--- a/ipacm/src/Android.mk
+++ b/ipacm/src/Android.mk
@@ -70,6 +70,7 @@
 LOCAL_SHARED_LIBRARIES += libnfnetlink
 LOCAL_SHARED_LIBRARIES += libnetfilter_conntrack
 LOCAL_SHARED_LIBRARIES += libdhcpcd
+LOCAL_CLANG := true
 include $(BUILD_EXECUTABLE)
 
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