Make sure Bunny 0.9.x is installed

Author: Michael Klishin

Makefile

@@ -112,7 +112,7 @@ GEM?=gem1.9.1
 TOPDIR:=$(PWD)
 ruby/.ok:
 	(cd ruby && \
-		GEM_HOME=gems/gems RUBYLIB=gems/lib $(GEM) install bunny --no-ri --no-rdoc && \
+		GEM_HOME=gems/gems RUBYLIB=gems/lib $(GEM) install bunny --version ">= 0.9.4" --no-ri --no-rdoc && \
 		touch .ok)
 clean::
 	(cd ruby && \