vim: link vi to vim

Change-Id: Ia1f8f1485c591dbb5638e6e687849e842117dc31
diff --git a/src/Android.mk b/src/Android.mk
index a426799..00091e2 100644
--- a/src/Android.mk
+++ b/src/Android.mk
@@ -31,3 +31,13 @@
 LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)
 include $(BUILD_EXECUTABLE)
 
+# ========================================================
+SYMLINKS := $(TARGET_OUT_OPTIONAL_EXECUTABLES)/vi
+$(SYMLINKS): VIM_BINARY := $(LOCAL_MODULE)
+$(SYMLINKS): $(LOCAL_INSTALLED_MODULE)
+	@echo "Symlink: $@ -> $(VIM_BINARY)"
+	@mkdir -p $(dir $@)
+	@rm -rf $@
+	$(hide) ln -sf $(VIM_BINARY) $@
+
+ALL_DEFAULT_INSTALLED_MODULES += $(SYMLINKS)