File no-buildroot.patch of Package rubygem-cppjieba_rb

Index: cppjieba_rb-0.3.0/ext/cppjieba_rb/extconf.rb
===================================================================
--- cppjieba_rb-0.3.0.orig/ext/cppjieba_rb/extconf.rb
+++ cppjieba_rb-0.3.0/ext/cppjieba_rb/extconf.rb
@@ -6,8 +6,8 @@ INCLUDEDIR  = RbConfig::CONFIG['included
 
 HEADER_DIRS = [
   INCLUDEDIR,
-  "#{abs}/../cppjieba/include",
-  "#{abs}/../cppjieba/deps"
+  "../cppjieba/include",
+  "../cppjieba/deps"
 ]
 
 LIB_DIRS = [