Bug 1142295 - Closing descriptor when GECKO_DISPLAY_REFLOW_RULES_FILE is setted. r=erahm

layout/generic/nsFrame.cpp

@@ -9445,6 +9445,8 @@ void DR_State::ParseRulesFile()
           mActive = true;
         }
       }
+
+      fclose(inFile);
     }
   }
 }