fix build -- aidl was not finding vpn imports
diff --git a/core/pathmap.mk b/core/pathmap.mk
index de7c1bb..2dd8f96 100644
--- a/core/pathmap.mk
+++ b/core/pathmap.mk
@@ -84,6 +84,7 @@
 	    telephony \
 	    tts \
 	    wifi \
+            vpn \
 	 )
 
 #