consistently use Unix line separator

Author: jhoeller

spring-framework.ipr

@@ -39,6 +39,7 @@
             <option name="USE_RELATIVE_INDENTS" value="false" />
           </value>
         </option>
+        <option name="LINE_SEPARATOR" value="&#10;" />
         <option name="PREFER_LONGER_NAMES" value="false" />
         <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="999" />
         <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="1" />