Update coverage script

trunk/auto/coverage.sh

@@ -17,7 +17,7 @@ mkdir -p $workdir && cd $workdir
 ret=$?; if [[ $ret -ne 0 ]]; then echo "Enter workdir failed, ret=$ret"; exit $ret; fi
 
 # Collect all *.gcno and *.gcda to objs/cover.
-cd $workdir && (rm -rf src && cp -R ../../src . && cp -R ../src .)
+cd $workdir && (rm -rf src && cp -R ../../src . && cp -R ../src/* src/)
 ret=$?; if [[ $ret -ne 0 ]]; then echo "Collect *.gcno and *.gcda failed, ret=$ret"; exit $ret; fi
 
 # Generate *.gcov for coverage.

trunk/configure

@@ -391,7 +391,7 @@ doclean:
 clean: clean_srs clean_modules clean_st clean_openssl clean_ffmpeg clean_nginx clean_cherrypy
 	@echo "You can clean each some components, see make help"
 
-destroy: clean
+destroy:
 	(cd ${SRS_OBJS_DIR} && rm -rf ${SRS_PLATFORM})
 
 clean_srs: