Change where makefile looks for sdk_clean.sh
diff --git a/core/Makefile b/core/Makefile
index e704748..63c7d1a 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1197,7 +1197,7 @@
 				$(PRIVATE_DIR)/platforms/android-$(PLATFORM_VERSION)/images/NOTICE.txt && \
 		cp -f $(tools_notice_file_txt) $(PRIVATE_DIR)/tools/NOTICE.txt && \
 		HOST_OUT_EXECUTABLES=$(HOST_OUT_EXECUTABLES) HOST_OS=$(HOST_OS) \
-                development/tools/scripts/sdk_clean.sh $(PRIVATE_DIR) && \
+                development/build/tools/sdk_clean.sh $(PRIVATE_DIR) && \
 		chmod -R ug+rwX $(PRIVATE_DIR) && \
 		cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME) \
 	) || ( rm -rf $(PRIVATE_DIR) $@ && exit 44 )