rm spurious execute bits +unit test to detect them

Thanks Paul Wouters

ChangeLog

@@ -1,3 +1,6 @@
+* 2015-06-??: Version 0.?.?
+  * Unit test for spurious execute bits.  Thanks Paul Wouters.
+
 * 2015-05-21: Version 0.2.0
   * Fix libversion numbering:  Thanks Daniel Kahn Gillmor
   * run_once method for the libevent extension

src/test/Makefile.in

@@ -141,6 +141,7 @@ nolibcheck:
 	@false
 
 test:	$(NOLIBCHECK) all
+	(cd $(srcdir)/../.. && find . -type f -executable -and \( -name "*.[ch]" -or -name "*.html" -or -name "*.in" -or -name "*.good" -or -name "*.ac" \) | awk 'BEGIN{e=0}{print("ERROR! Executable bit found on", $$0);e=1}END{exit(e)}')
 	./$(CHECK_GETDNS)
 	if test $(have_libevent) = 1 ; then ./$(CHECK_EVENT_PROG) ; fi
 	if test $(have_libev) = 1 ; then ./$(CHECK_EV_PROG) ; fi