Use standard permissions for binries

--- a/base/Makefile.in
+++ b/base/Makefile.in
@@ -189,8 +189,8 @@ install:
 	$(INSTALL) -s -m 774 $(INSTALL_OPTS) @nagiostats_name@ $(DESTDIR)$(BINDIR)
 
 install-unstripped:
-	$(INSTALL) -m 775 $(INSTALL_OPTS) -d $(DESTDIR)$(BINDIR)
-	$(INSTALL) -m 774 $(INSTALL_OPTS) nagios $(DESTDIR)$(BINDIR)
-	$(INSTALL) -m 774 $(INSTALL_OPTS) nagiostats $(DESTDIR)$(BINDIR)
+	$(INSTALL) -m 755 $(INSTALL_OPTS) -d $(DESTDIR)$(BINDIR)
+	$(INSTALL) -m 755 $(INSTALL_OPTS) nagios $(DESTDIR)$(BINDIR)
+	$(INSTALL) -m 755 $(INSTALL_OPTS) nagiostats $(DESTDIR)$(BINDIR)
 
 .PHONY: libnagios