build: .service files don't need to be executable

See also commit 66ff2dd, where we avoided installing these files
as executables.

* daemon/Makefile.am (libvirtd.service): Drop chmod.
* tools/Makefile.am (libvirt-guests.service): Likewise.
* src/Makefile.am (virtlockd.service, virtlockd.socket):
Likewise.

daemon/Makefile.am

@@ -354,7 +354,6 @@ libvirtd.service: libvirtd.service.in $(top_builddir)/config.status
 	    -e 's|[@]sbindir[@]|$(sbindir)|g'			\
 	    -e 's|[@]sysconfdir[@]|$(sysconfdir)|g'		\
 	    < $< > $@-t &&					\
-	    chmod a+x $@-t &&					\
 	    mv $@-t $@
 
 

src/Makefile.am

@@ -1709,14 +1709,12 @@ virtlockd.service: locking/virtlockd.service.in $(top_builddir)/config.status
 	$(AM_V_GEN)sed						\
 	    -e 's|[@]sbindir[@]|$(sbindir)|g'			\
 	    < $< > $@-t &&					\
-	    chmod a+x $@-t &&					\
 	    mv $@-t $@
 
 virtlockd.socket: locking/virtlockd.socket.in $(top_builddir)/config.status
 	$(AM_V_GEN)sed						\
 	    -e 's|[@]localstatedir[@]|$(localstatedir)|g'	\
 	    < $< > $@-t &&					\
-	    chmod a+x $@-t &&					\
 	    mv $@-t $@
 
 

tools/Makefile.am

@@ -260,7 +260,6 @@ libvirt-guests.service: libvirt-guests.service.in $(top_builddir)/config.status
 	    -e 's|[@]sysconfdir[@]|$(sysconfdir)|g'		\
 	    -e 's|[@]libexecdir[@]|$(libexecdir)|g'		\
 	    < $< > $@-t &&					\
-	    chmod a+x $@-t &&					\
 	    mv $@-t $@