weechat: find ruby-2.1 via pkg-config (for cross-compiling)

srcpkgs/weechat/patches/ruby-2.1.patch

@@ -0,0 +1,11 @@
+--- cmake/FindRuby.cmake-       2014-07-22 11:38:14.145190665 +0200
++++ cmake/FindRuby.cmake        2014-07-22 11:36:15.294186414 +0200
+@@ -33,7 +33,7 @@
+ 
+ FIND_PACKAGE(PkgConfig)
+ IF(PKG_CONFIG_FOUND)
+-  pkg_search_module(RUBY ruby-2.0 ruby-1.9 ruby-1.8)
++  pkg_search_module(RUBY ruby-2.1 ruby-2.0 ruby-1.9 ruby-1.8)
+ ENDIF(PKG_CONFIG_FOUND)
+ 
+ IF(RUBY_FOUND)

srcpkgs/weechat/template

@@ -1,7 +1,7 @@
 # Template file for 'weechat'
 pkgname=weechat
 version=0.4.3
-revision=4
+revision=5
 lib32disabled=yes
 build_style=cmake
 hostmakedepends="cmake pkg-config python-devel libgcrypt-devel tcl-devel>=8.6"