fix race condition in find (it was finding the copied files over and over again, and recursing forever)

Makefile.gcov

@@ -14,7 +14,8 @@ php_lcov.info: lcov-test
 	@rm -rf lcov_data/
 	@$(mkinstalldirs) lcov_data/
 	@echo
-	-@find . -name \*.gcda -o -name \*.gcno -o -name \*.da -o -name \*.h | sed -e 's/^\.\///' | sed -e 's/\.gcda//g' -e 's/\.gcno//g' -e 's/\.da//g' | $(EGREP) $(LCOV_INCLUDE) | uniq | while read x; do \
+	-@files=`find . -name \*.gcda -o -name \*.gcno -o -name \*.da -o -name \*.h | sed -e 's/^\.\///' | sed -e 's/\.gcda//g' -e 's/\.gcno//g' -e 's/\.da//g' | $(EGREP) $(LCOV_INCLUDE) | uniq` ;\
+	for x in $$files; do \
 		echo -n . ;\
 		y=`echo $$x | sed -e 's!\.libs/!!'`; \
 		dir=lcov_data/`dirname $$x`; \