libev: bump to 4.11

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/libev/libev.mk

@@ -3,7 +3,7 @@
 # libev
 #
 #############################################################
-LIBEV_VERSION = 4.04
+LIBEV_VERSION = 4.11
 LIBEV_SOURCE = libev-$(LIBEV_VERSION).tar.gz
 LIBEV_SITE = http://dist.schmorp.de/libev/
 LIBEV_INSTALL_STAGING = YES