Ticket #35135: Portfile.diff

Portfile

@@ -105 +105 @@
         set gcc_version "4.5"
     } elseif {[variant_isset gcc46]} {
         set gcc_version "4.6"
-    } elseif {[variant_isset_gcc47]} {
+    } elseif {[variant_isset gcc47]} {
         set gcc_version "4.7"
     }