Move enabled_check into its own conditional and disabled it on F20+

facter.spec

@@ -1,10 +1,14 @@
 # F-17 and above have ruby-1.9.x, and place libs in a different location
 # The checks also fail on older releases, due to an older mocha gem, it appears
-%if 0%{?fedora} >= 17
+%if (0%{?fedora} >= 17 && 0%{?fedora} <= 19)
 %global enable_check 1
-%global facter_libdir   %(ruby -rrbconfig -e 'puts RbConfig::CONFIG["vendorlibdir"]')
 %else
 %global enable_check 0
+%endif
+
+%if 0%{?fedora} >= 17
+%global facter_libdir   %(ruby -rrbconfig -e 'puts RbConfig::CONFIG["vendorlibdir"]')
+%else
 %global facter_libdir   %(ruby -rrbconfig -e 'puts RbConfig::CONFIG["sitelibdir"]')
 %endif